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Finding the Fourth Proportional to 456,699.44, 630,232.26 and 252,758.90

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Solution

The fourth proportional to 456,699.44, 630,232.26 and 252,758.90 is: 348,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,699.44 : 630,232.26 = 252,758.90 : x
  2. Step 2: Convert to fraction form
    456,699.44/630,232.26 = 252,758.90/x
  3. Step 3: Cross multiply
    456,699.44x = 630,232.26 × 252,758.90
  4. Step 4: Simplify right side
    456,699.44x = 159,296,812,782.11
  5. Step 5: Solve for x
    x = 159,296,812,782.11/456,699.44
  6. Step 6: Final answer
    x = 348,800.11

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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.