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Finding the Fourth Proportional to 605,432.31, 835,500.84 and 347,320.52

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Solution

The fourth proportional to 605,432.31, 835,500.84 and 347,320.52 is: 479,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,432.31 : 835,500.84 = 347,320.52 : x
  2. Step 2: Convert to fraction form
    605,432.31/835,500.84 = 347,320.52/x
  3. Step 3: Cross multiply
    605,432.31x = 835,500.84 × 347,320.52
  4. Step 4: Simplify right side
    605,432.31x = 290,186,582,031.73
  5. Step 5: Solve for x
    x = 290,186,582,031.73/605,432.31
  6. Step 6: Final answer
    x = 479,304.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.