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Finding the Fourth Proportional to 575,691.83, 863,168.23 and 238,964.91

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Solution

The fourth proportional to 575,691.83, 863,168.23 and 238,964.91 is: 358,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,691.83 : 863,168.23 = 238,964.91 : x
  2. Step 2: Convert to fraction form
    575,691.83/863,168.23 = 238,964.91/x
  3. Step 3: Cross multiply
    575,691.83x = 863,168.23 × 238,964.91
  4. Step 4: Simplify right side
    575,691.83x = 206,266,918,396.81
  5. Step 5: Solve for x
    x = 206,266,918,396.81/575,691.83
  6. Step 6: Final answer
    x = 358,293.98

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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.