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Finding the Fourth Proportional to 575,029.80, 862,711.29 and 238,008.24

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Solution

The fourth proportional to 575,029.80, 862,711.29 and 238,008.24 is: 357,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,029.80 : 862,711.29 = 238,008.24 : x
  2. Step 2: Convert to fraction form
    575,029.80/862,711.29 = 238,008.24/x
  3. Step 3: Cross multiply
    575,029.80x = 862,711.29 × 238,008.24
  4. Step 4: Simplify right side
    575,029.80x = 205,332,395,761.03
  5. Step 5: Solve for x
    x = 205,332,395,761.03/575,029.80
  6. Step 6: Final answer
    x = 357,081.31

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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.