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Finding the Fourth Proportional to 473,805.29, 710,603.55 and 136,772.73

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Solution

The fourth proportional to 473,805.29, 710,603.55 and 136,772.73 is: 205,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,805.29 : 710,603.55 = 136,772.73 : x
  2. Step 2: Convert to fraction form
    473,805.29/710,603.55 = 136,772.73/x
  3. Step 3: Cross multiply
    473,805.29x = 710,603.55 × 136,772.73
  4. Step 4: Simplify right side
    473,805.29x = 97,191,187,481.19
  5. Step 5: Solve for x
    x = 97,191,187,481.19/473,805.29
  6. Step 6: Final answer
    x = 205,128.96

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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.