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Finding the Fourth Proportional to 425,813.72, 587,603.14 and 244,397.96

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Solution

The fourth proportional to 425,813.72, 587,603.14 and 244,397.96 is: 337,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,813.72 : 587,603.14 = 244,397.96 : x
  2. Step 2: Convert to fraction form
    425,813.72/587,603.14 = 244,397.96/x
  3. Step 3: Cross multiply
    425,813.72x = 587,603.14 × 244,397.96
  4. Step 4: Simplify right side
    425,813.72x = 143,609,008,705.59
  5. Step 5: Solve for x
    x = 143,609,008,705.59/425,813.72
  6. Step 6: Final answer
    x = 337,257.82

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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.