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Finding the Fourth Proportional to 572,924.88, 791,000.76 and 391,938.48

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Solution

The fourth proportional to 572,924.88, 791,000.76 and 391,938.48 is: 541,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,924.88 : 791,000.76 = 391,938.48 : x
  2. Step 2: Convert to fraction form
    572,924.88/791,000.76 = 391,938.48/x
  3. Step 3: Cross multiply
    572,924.88x = 791,000.76 × 391,938.48
  4. Step 4: Simplify right side
    572,924.88x = 310,023,635,553.25
  5. Step 5: Solve for x
    x = 310,023,635,553.25/572,924.88
  6. Step 6: Final answer
    x = 541,124.41

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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.