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Finding the Fourth Proportional to 576,055.61, 864,082.44 and 238,871.24

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Solution

The fourth proportional to 576,055.61, 864,082.44 and 238,871.24 is: 358,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,055.61 : 864,082.44 = 238,871.24 : x
  2. Step 2: Convert to fraction form
    576,055.61/864,082.44 = 238,871.24/x
  3. Step 3: Cross multiply
    576,055.61x = 864,082.44 × 238,871.24
  4. Step 4: Simplify right side
    576,055.61x = 206,404,439,584.61
  5. Step 5: Solve for x
    x = 206,404,439,584.61/576,055.61
  6. Step 6: Final answer
    x = 358,306.45

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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.