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Finding the Fourth Proportional to 418,688.88, 577,773.05 and 237,413.01

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Solution

The fourth proportional to 418,688.88, 577,773.05 and 237,413.01 is: 327,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,688.88 : 577,773.05 = 237,413.01 : x
  2. Step 2: Convert to fraction form
    418,688.88/577,773.05 = 237,413.01/x
  3. Step 3: Cross multiply
    418,688.88x = 577,773.05 × 237,413.01
  4. Step 4: Simplify right side
    418,688.88x = 137,170,838,897.38
  5. Step 5: Solve for x
    x = 137,170,838,897.38/418,688.88
  6. Step 6: Final answer
    x = 327,619.97

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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.