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Finding the Fourth Proportional to 564,766.68, 779,459.64 and 338,433.24

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Solution

The fourth proportional to 564,766.68, 779,459.64 and 338,433.24 is: 467,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,766.68 : 779,459.64 = 338,433.24 : x
  2. Step 2: Convert to fraction form
    564,766.68/779,459.64 = 338,433.24/x
  3. Step 3: Cross multiply
    564,766.68x = 779,459.64 × 338,433.24
  4. Step 4: Simplify right side
    564,766.68x = 263,795,051,414.43
  5. Step 5: Solve for x
    x = 263,795,051,414.43/564,766.68
  6. Step 6: Final answer
    x = 467,086.78

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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.