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Finding the Fourth Proportional to 487,413.59, 731,479.51 and 231,247.10

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Solution

The fourth proportional to 487,413.59, 731,479.51 and 231,247.10 is: 347,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,413.59 : 731,479.51 = 231,247.10 : x
  2. Step 2: Convert to fraction form
    487,413.59/731,479.51 = 231,247.10/x
  3. Step 3: Cross multiply
    487,413.59x = 731,479.51 × 231,247.10
  4. Step 4: Simplify right side
    487,413.59x = 169,152,517,514.68
  5. Step 5: Solve for x
    x = 169,152,517,514.68/487,413.59
  6. Step 6: Final answer
    x = 347,041.04

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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.