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Finding the Fourth Proportional to 674,565.72, 930,901.02 and 372,759.72

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Solution

The fourth proportional to 674,565.72, 930,901.02 and 372,759.72 is: 514,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,565.72 : 930,901.02 = 372,759.72 : x
  2. Step 2: Convert to fraction form
    674,565.72/930,901.02 = 372,759.72/x
  3. Step 3: Cross multiply
    674,565.72x = 930,901.02 × 372,759.72
  4. Step 4: Simplify right side
    674,565.72x = 347,002,403,562.91
  5. Step 5: Solve for x
    x = 347,002,403,562.91/674,565.72
  6. Step 6: Final answer
    x = 514,408.59

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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.