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Finding the Fourth Proportional to 456,853.02, 630,449.67 and 252,899.67

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Solution

The fourth proportional to 456,853.02, 630,449.67 and 252,899.67 is: 348,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,853.02 : 630,449.67 = 252,899.67 : x
  2. Step 2: Convert to fraction form
    456,853.02/630,449.67 = 252,899.67/x
  3. Step 3: Cross multiply
    456,853.02x = 630,449.67 × 252,899.67
  4. Step 4: Simplify right side
    456,853.02x = 159,440,513,494.61
  5. Step 5: Solve for x
    x = 159,440,513,494.61/456,853.02
  6. Step 6: Final answer
    x = 348,997.39

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.