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Finding the Fourth Proportional to 531,969.60, 797,954.40 and 332,515.20

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Solution

The fourth proportional to 531,969.60, 797,954.40 and 332,515.20 is: 498,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,969.60 : 797,954.40 = 332,515.20 : x
  2. Step 2: Convert to fraction form
    531,969.60/797,954.40 = 332,515.20/x
  3. Step 3: Cross multiply
    531,969.60x = 797,954.40 × 332,515.20
  4. Step 4: Simplify right side
    531,969.60x = 265,331,966,906.88
  5. Step 5: Solve for x
    x = 265,331,966,906.88/531,969.60
  6. Step 6: Final answer
    x = 498,772.80

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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.