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Finding the Fourth Proportional to 377,535.16, 521,002.20 and 207,773.20

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Solution

The fourth proportional to 377,535.16, 521,002.20 and 207,773.20 is: 286,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,535.16 : 521,002.20 = 207,773.20 : x
  2. Step 2: Convert to fraction form
    377,535.16/521,002.20 = 207,773.20/x
  3. Step 3: Cross multiply
    377,535.16x = 521,002.20 × 207,773.20
  4. Step 4: Simplify right side
    377,535.16x = 108,250,294,301.04
  5. Step 5: Solve for x
    x = 108,250,294,301.04/377,535.16
  6. Step 6: Final answer
    x = 286,729.04

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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.