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Finding the Fourth Proportional to 622,851.20, 934,276.80 and 482,883.20

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Solution

The fourth proportional to 622,851.20, 934,276.80 and 482,883.20 is: 724,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,851.20 : 934,276.80 = 482,883.20 : x
  2. Step 2: Convert to fraction form
    622,851.20/934,276.80 = 482,883.20/x
  3. Step 3: Cross multiply
    622,851.20x = 934,276.80 × 482,883.20
  4. Step 4: Simplify right side
    622,851.20x = 451,146,570,869.76
  5. Step 5: Solve for x
    x = 451,146,570,869.76/622,851.20
  6. Step 6: Final answer
    x = 724,324.80

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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.