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Finding the Fourth Proportional to 583,963.20, 876,236.40 and 331,437.60

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Solution

The fourth proportional to 583,963.20, 876,236.40 and 331,437.60 is: 497,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,963.20 : 876,236.40 = 331,437.60 : x
  2. Step 2: Convert to fraction form
    583,963.20/876,236.40 = 331,437.60/x
  3. Step 3: Cross multiply
    583,963.20x = 876,236.40 × 331,437.60
  4. Step 4: Simplify right side
    583,963.20x = 290,417,689,448.64
  5. Step 5: Solve for x
    x = 290,417,689,448.64/583,963.20
  6. Step 6: Final answer
    x = 497,321.90

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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.