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Finding the Fourth Proportional to 296,777.52, 444,869.28 and 147,127.32

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Solution

The fourth proportional to 296,777.52, 444,869.28 and 147,127.32 is: 220,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,777.52 : 444,869.28 = 147,127.32 : x
  2. Step 2: Convert to fraction form
    296,777.52/444,869.28 = 147,127.32/x
  3. Step 3: Cross multiply
    296,777.52x = 444,869.28 × 147,127.32
  4. Step 4: Simplify right side
    296,777.52x = 65,452,424,916.73
  5. Step 5: Solve for x
    x = 65,452,424,916.73/296,777.52
  6. Step 6: Final answer
    x = 220,543.74

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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.