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Finding the Fourth Proportional to 575,034.80, 862,718.80 and 238,013.24

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Solution

The fourth proportional to 575,034.80, 862,718.80 and 238,013.24 is: 357,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,034.80 : 862,718.80 = 238,013.24 : x
  2. Step 2: Convert to fraction form
    575,034.80/862,718.80 = 238,013.24/x
  3. Step 3: Cross multiply
    575,034.80x = 862,718.80 × 238,013.24
  4. Step 4: Simplify right side
    575,034.80x = 205,338,496,796.91
  5. Step 5: Solve for x
    x = 205,338,496,796.91/575,034.80
  6. Step 6: Final answer
    x = 357,088.82

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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.