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Finding the Fourth Proportional to 527,420.97, 791,651.24 and 375,786.47

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Solution

The fourth proportional to 527,420.97, 791,651.24 and 375,786.47 is: 564,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,420.97 : 791,651.24 = 375,786.47 : x
  2. Step 2: Convert to fraction form
    527,420.97/791,651.24 = 375,786.47/x
  3. Step 3: Cross multiply
    527,420.97x = 791,651.24 × 375,786.47
  4. Step 4: Simplify right side
    527,420.97x = 297,491,826,460.12
  5. Step 5: Solve for x
    x = 297,491,826,460.12/527,420.97
  6. Step 6: Final answer
    x = 564,050.05

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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.