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Finding the Fourth Proportional to 583,951.20, 876,218.40 and 331,425.60

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Solution

The fourth proportional to 583,951.20, 876,218.40 and 331,425.60 is: 497,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,951.20 : 876,218.40 = 331,425.60 : x
  2. Step 2: Convert to fraction form
    583,951.20/876,218.40 = 331,425.60/x
  3. Step 3: Cross multiply
    583,951.20x = 876,218.40 × 331,425.60
  4. Step 4: Simplify right side
    583,951.20x = 290,401,208,951.04
  5. Step 5: Solve for x
    x = 290,401,208,951.04/583,951.20
  6. Step 6: Final answer
    x = 497,303.90

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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.