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Finding the Fourth Proportional to 497,778.76, 746,670.84 and 123,801.76

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Solution

The fourth proportional to 497,778.76, 746,670.84 and 123,801.76 is: 185,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,778.76 : 746,670.84 = 123,801.76 : x
  2. Step 2: Convert to fraction form
    497,778.76/746,670.84 = 123,801.76/x
  3. Step 3: Cross multiply
    497,778.76x = 746,670.84 × 123,801.76
  4. Step 4: Simplify right side
    497,778.76x = 92,439,164,132.68
  5. Step 5: Solve for x
    x = 92,439,164,132.68/497,778.76
  6. Step 6: Final answer
    x = 185,703.31

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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.