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Finding the Fourth Proportional to 652,593.30, 978,889.95 and 608,306.55

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Solution

The fourth proportional to 652,593.30, 978,889.95 and 608,306.55 is: 912,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,593.30 : 978,889.95 = 608,306.55 : x
  2. Step 2: Convert to fraction form
    652,593.30/978,889.95 = 608,306.55/x
  3. Step 3: Cross multiply
    652,593.30x = 978,889.95 × 608,306.55
  4. Step 4: Simplify right side
    652,593.30x = 595,465,168,314.17
  5. Step 5: Solve for x
    x = 595,465,168,314.17/652,593.30
  6. Step 6: Final answer
    x = 912,459.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.