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Finding the Fourth Proportional to 576,834.76, 865,394.88 and 239,774.32

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Solution

The fourth proportional to 576,834.76, 865,394.88 and 239,774.32 is: 359,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,834.76 : 865,394.88 = 239,774.32 : x
  2. Step 2: Convert to fraction form
    576,834.76/865,394.88 = 239,774.32/x
  3. Step 3: Cross multiply
    576,834.76x = 865,394.88 × 239,774.32
  4. Step 4: Simplify right side
    576,834.76x = 207,499,468,883.48
  5. Step 5: Solve for x
    x = 207,499,468,883.48/576,834.76
  6. Step 6: Final answer
    x = 359,720.81

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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.