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Finding the Fourth Proportional to 532,830.70, 799,246.05 and 322,360.30

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Solution

The fourth proportional to 532,830.70, 799,246.05 and 322,360.30 is: 483,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,830.70 : 799,246.05 = 322,360.30 : x
  2. Step 2: Convert to fraction form
    532,830.70/799,246.05 = 322,360.30/x
  3. Step 3: Cross multiply
    532,830.70x = 799,246.05 × 322,360.30
  4. Step 4: Simplify right side
    532,830.70x = 257,645,196,451.82
  5. Step 5: Solve for x
    x = 257,645,196,451.82/532,830.70
  6. Step 6: Final answer
    x = 483,540.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.