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Finding the Fourth Proportional to 716,591.17, 988,782.87 and 410,608.71

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Solution

The fourth proportional to 716,591.17, 988,782.87 and 410,608.71 is: 566,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,591.17 : 988,782.87 = 410,608.71 : x
  2. Step 2: Convert to fraction form
    716,591.17/988,782.87 = 410,608.71/x
  3. Step 3: Cross multiply
    716,591.17x = 988,782.87 × 410,608.71
  4. Step 4: Simplify right side
    716,591.17x = 406,002,860,260.58
  5. Step 5: Solve for x
    x = 406,002,860,260.58/716,591.17
  6. Step 6: Final answer
    x = 566,575.30

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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.