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Finding the Fourth Proportional to 337,522.40, 506,283.60 and 219,327.20

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Solution

The fourth proportional to 337,522.40, 506,283.60 and 219,327.20 is: 328,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,522.40 : 506,283.60 = 219,327.20 : x
  2. Step 2: Convert to fraction form
    337,522.40/506,283.60 = 219,327.20/x
  3. Step 3: Cross multiply
    337,522.40x = 506,283.60 × 219,327.20
  4. Step 4: Simplify right side
    337,522.40x = 111,041,764,393.92
  5. Step 5: Solve for x
    x = 111,041,764,393.92/337,522.40
  6. Step 6: Final answer
    x = 328,990.80

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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.