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Finding the Fourth Proportional to 552,644.52, 762,649.40 and 314,180.52

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Solution

The fourth proportional to 552,644.52, 762,649.40 and 314,180.52 is: 433,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,644.52 : 762,649.40 = 314,180.52 : x
  2. Step 2: Convert to fraction form
    552,644.52/762,649.40 = 314,180.52/x
  3. Step 3: Cross multiply
    552,644.52x = 762,649.40 × 314,180.52
  4. Step 4: Simplify right side
    552,644.52x = 239,609,585,069.69
  5. Step 5: Solve for x
    x = 239,609,585,069.69/552,644.52
  6. Step 6: Final answer
    x = 433,569.10

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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.