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Finding the Fourth Proportional to 362,369.59, 543,565.77 and 172,850.55

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Solution

The fourth proportional to 362,369.59, 543,565.77 and 172,850.55 is: 259,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,369.59 : 543,565.77 = 172,850.55 : x
  2. Step 2: Convert to fraction form
    362,369.59/543,565.77 = 172,850.55/x
  3. Step 3: Cross multiply
    362,369.59x = 543,565.77 × 172,850.55
  4. Step 4: Simplify right side
    362,369.59x = 93,955,642,305.67
  5. Step 5: Solve for x
    x = 93,955,642,305.67/362,369.59
  6. Step 6: Final answer
    x = 259,281.26

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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.