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Finding the Fourth Proportional to 552,428.44, 762,409.80 and 337,694.20

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Solution

The fourth proportional to 552,428.44, 762,409.80 and 337,694.20 is: 466,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,428.44 : 762,409.80 = 337,694.20 : x
  2. Step 2: Convert to fraction form
    552,428.44/762,409.80 = 337,694.20/x
  3. Step 3: Cross multiply
    552,428.44x = 762,409.80 × 337,694.20
  4. Step 4: Simplify right side
    552,428.44x = 257,461,367,483.16
  5. Step 5: Solve for x
    x = 257,461,367,483.16/552,428.44
  6. Step 6: Final answer
    x = 466,053.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.