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Finding the Fourth Proportional to 576,833.76, 865,393.38 and 239,773.32

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Solution

The fourth proportional to 576,833.76, 865,393.38 and 239,773.32 is: 359,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,833.76 : 865,393.38 = 239,773.32 : x
  2. Step 2: Convert to fraction form
    576,833.76/865,393.38 = 239,773.32/x
  3. Step 3: Cross multiply
    576,833.76x = 865,393.38 × 239,773.32
  4. Step 4: Simplify right side
    576,833.76x = 207,498,243,828.62
  5. Step 5: Solve for x
    x = 207,498,243,828.62/576,833.76
  6. Step 6: Final answer
    x = 359,719.31

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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.