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Finding the Fourth Proportional to 704,595.14, 972,593.51 and 418,115.24

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Solution

The fourth proportional to 704,595.14, 972,593.51 and 418,115.24 is: 577,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,595.14 : 972,593.51 = 418,115.24 : x
  2. Step 2: Convert to fraction form
    704,595.14/972,593.51 = 418,115.24/x
  3. Step 3: Cross multiply
    704,595.14x = 972,593.51 × 418,115.24
  4. Step 4: Simplify right side
    704,595.14x = 406,656,161,902.55
  5. Step 5: Solve for x
    x = 406,656,161,902.55/704,595.14
  6. Step 6: Final answer
    x = 577,148.69

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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.