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Finding the Fourth Proportional to 657,561.90, 985,470.86 and 337,700.86

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Solution

The fourth proportional to 657,561.90, 985,470.86 and 337,700.86 is: 506,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,561.90 : 985,470.86 = 337,700.86 : x
  2. Step 2: Convert to fraction form
    657,561.90/985,470.86 = 337,700.86/x
  3. Step 3: Cross multiply
    657,561.90x = 985,470.86 × 337,700.86
  4. Step 4: Simplify right side
    657,561.90x = 332,794,356,926.94
  5. Step 5: Solve for x
    x = 332,794,356,926.94/657,561.90
  6. Step 6: Final answer
    x = 506,103.47

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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.