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Finding the Fourth Proportional to 427,404.30, 586,729.34 and 366,869.85

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Solution

The fourth proportional to 427,404.30, 586,729.34 and 366,869.85 is: 503,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,404.30 : 586,729.34 = 366,869.85 : x
  2. Step 2: Convert to fraction form
    427,404.30/586,729.34 = 366,869.85/x
  3. Step 3: Cross multiply
    427,404.30x = 586,729.34 × 366,869.85
  4. Step 4: Simplify right side
    427,404.30x = 215,253,304,956.40
  5. Step 5: Solve for x
    x = 215,253,304,956.40/427,404.30
  6. Step 6: Final answer
    x = 503,629.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.