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Finding the Fourth Proportional to 575,158.61, 862,153.49 and 238,382.48

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Solution

The fourth proportional to 575,158.61, 862,153.49 and 238,382.48 is: 357,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,158.61 : 862,153.49 = 238,382.48 : x
  2. Step 2: Convert to fraction form
    575,158.61/862,153.49 = 238,382.48/x
  3. Step 3: Cross multiply
    575,158.61x = 862,153.49 × 238,382.48
  4. Step 4: Simplify right side
    575,158.61x = 205,522,281,584.18
  5. Step 5: Solve for x
    x = 205,522,281,584.18/575,158.61
  6. Step 6: Final answer
    x = 357,331.49

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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.