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Finding the Fourth Proportional to 362,365.92, 543,438.18 and 172,726.38

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Solution

The fourth proportional to 362,365.92, 543,438.18 and 172,726.38 is: 259,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,365.92 : 543,438.18 = 172,726.38 : x
  2. Step 2: Convert to fraction form
    362,365.92/543,438.18 = 172,726.38/x
  3. Step 3: Cross multiply
    362,365.92x = 543,438.18 × 172,726.38
  4. Step 4: Simplify right side
    362,365.92x = 93,866,109,585.19
  5. Step 5: Solve for x
    x = 93,866,109,585.19/362,365.92
  6. Step 6: Final answer
    x = 259,036.80

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1.5x scale

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.