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Finding the Fourth Proportional to 497,474.40, 746,125.20 and 181,768.80

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Solution

The fourth proportional to 497,474.40, 746,125.20 and 181,768.80 is: 272,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,474.40 : 746,125.20 = 181,768.80 : x
  2. Step 2: Convert to fraction form
    497,474.40/746,125.20 = 181,768.80/x
  3. Step 3: Cross multiply
    497,474.40x = 746,125.20 × 181,768.80
  4. Step 4: Simplify right side
    497,474.40x = 135,622,282,253.76
  5. Step 5: Solve for x
    x = 135,622,282,253.76/497,474.40
  6. Step 6: Final answer
    x = 272,621.63

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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.