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Finding the Fourth Proportional to 552,411.44, 762,386.28 and 337,677.20

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Solution

The fourth proportional to 552,411.44, 762,386.28 and 337,677.20 is: 466,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,411.44 : 762,386.28 = 337,677.20 : x
  2. Step 2: Convert to fraction form
    552,411.44/762,386.28 = 337,677.20/x
  3. Step 3: Cross multiply
    552,411.44x = 762,386.28 × 337,677.20
  4. Step 4: Simplify right side
    552,411.44x = 257,440,464,348.82
  5. Step 5: Solve for x
    x = 257,440,464,348.82/552,411.44
  6. Step 6: Final answer
    x = 466,030.29

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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.