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Finding the Fourth Proportional to 652,188.10, 978,282.15 and 564,708.10

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Solution

The fourth proportional to 652,188.10, 978,282.15 and 564,708.10 is: 847,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,188.10 : 978,282.15 = 564,708.10 : x
  2. Step 2: Convert to fraction form
    652,188.10/978,282.15 = 564,708.10/x
  3. Step 3: Cross multiply
    652,188.10x = 978,282.15 × 564,708.10
  4. Step 4: Simplify right side
    652,188.10x = 552,443,854,190.42
  5. Step 5: Solve for x
    x = 552,443,854,190.42/652,188.10
  6. Step 6: Final answer
    x = 847,062.15

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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.