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Finding the Fourth Proportional to 288,049.10, 432,073.65 and 267,053.90

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Solution

The fourth proportional to 288,049.10, 432,073.65 and 267,053.90 is: 400,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,049.10 : 432,073.65 = 267,053.90 : x
  2. Step 2: Convert to fraction form
    288,049.10/432,073.65 = 267,053.90/x
  3. Step 3: Cross multiply
    288,049.10x = 432,073.65 × 267,053.90
  4. Step 4: Simplify right side
    288,049.10x = 115,386,953,319.74
  5. Step 5: Solve for x
    x = 115,386,953,319.74/288,049.10
  6. Step 6: Final answer
    x = 400,580.85

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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.