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Finding the Fourth Proportional to 576,422.52, 864,636.32 and 239,462.90

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Solution

The fourth proportional to 576,422.52, 864,636.32 and 239,462.90 is: 359,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,422.52 : 864,636.32 = 239,462.90 : x
  2. Step 2: Convert to fraction form
    576,422.52/864,636.32 = 239,462.90/x
  3. Step 3: Cross multiply
    576,422.52x = 864,636.32 × 239,462.90
  4. Step 4: Simplify right side
    576,422.52x = 207,048,320,632.53
  5. Step 5: Solve for x
    x = 207,048,320,632.53/576,422.52
  6. Step 6: Final answer
    x = 359,195.41

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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.