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Finding the Fourth Proportional to 652,369.30, 978,553.95 and 559,057.30

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Solution

The fourth proportional to 652,369.30, 978,553.95 and 559,057.30 is: 838,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,369.30 : 978,553.95 = 559,057.30 : x
  2. Step 2: Convert to fraction form
    652,369.30/978,553.95 = 559,057.30/x
  3. Step 3: Cross multiply
    652,369.30x = 978,553.95 × 559,057.30
  4. Step 4: Simplify right side
    652,369.30x = 547,067,729,191.34
  5. Step 5: Solve for x
    x = 547,067,729,191.34/652,369.30
  6. Step 6: Final answer
    x = 838,585.95

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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.