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Finding the Fourth Proportional to 582,086.32, 873,129.71 and 261,864.16

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Solution

The fourth proportional to 582,086.32, 873,129.71 and 261,864.16 is: 392,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,086.32 : 873,129.71 = 261,864.16 : x
  2. Step 2: Convert to fraction form
    582,086.32/873,129.71 = 261,864.16/x
  3. Step 3: Cross multiply
    582,086.32x = 873,129.71 × 261,864.16
  4. Step 4: Simplify right side
    582,086.32x = 228,641,376,552.03
  5. Step 5: Solve for x
    x = 228,641,376,552.03/582,086.32
  6. Step 6: Final answer
    x = 392,796.34

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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.