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Finding the Fourth Proportional to 696,654.15, 961,471.67 and 410,200.89

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Solution

The fourth proportional to 696,654.15, 961,471.67 and 410,200.89 is: 566,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,654.15 : 961,471.67 = 410,200.89 : x
  2. Step 2: Convert to fraction form
    696,654.15/961,471.67 = 410,200.89/x
  3. Step 3: Cross multiply
    696,654.15x = 961,471.67 × 410,200.89
  4. Step 4: Simplify right side
    696,654.15x = 394,396,532,692.78
  5. Step 5: Solve for x
    x = 394,396,532,692.78/696,654.15
  6. Step 6: Final answer
    x = 566,129.60

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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.