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Finding the Fourth Proportional to 696,597.67, 960,414.86 and 451,148.78

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Solution

The fourth proportional to 696,597.67, 960,414.86 and 451,148.78 is: 622,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,597.67 : 960,414.86 = 451,148.78 : x
  2. Step 2: Convert to fraction form
    696,597.67/960,414.86 = 451,148.78/x
  3. Step 3: Cross multiply
    696,597.67x = 960,414.86 × 451,148.78
  4. Step 4: Simplify right side
    696,597.67x = 433,289,992,382.87
  5. Step 5: Solve for x
    x = 433,289,992,382.87/696,597.67
  6. Step 6: Final answer
    x = 622,008.96

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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.