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Finding the Fourth Proportional to 662,487.73, 914,233.22 and 360,681.73

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Solution

The fourth proportional to 662,487.73, 914,233.22 and 360,681.73 is: 497,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,487.73 : 914,233.22 = 360,681.73 : x
  2. Step 2: Convert to fraction form
    662,487.73/914,233.22 = 360,681.73/x
  3. Step 3: Cross multiply
    662,487.73x = 914,233.22 × 360,681.73
  4. Step 4: Simplify right side
    662,487.73x = 329,747,219,413.07
  5. Step 5: Solve for x
    x = 329,747,219,413.07/662,487.73
  6. Step 6: Final answer
    x = 497,740.87

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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.