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Finding the Fourth Proportional to 296,789.52, 444,887.28 and 147,139.32

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Solution

The fourth proportional to 296,789.52, 444,887.28 and 147,139.32 is: 220,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,789.52 : 444,887.28 = 147,139.32 : x
  2. Step 2: Convert to fraction form
    296,789.52/444,887.28 = 147,139.32/x
  3. Step 3: Cross multiply
    296,789.52x = 444,887.28 × 147,139.32
  4. Step 4: Simplify right side
    296,789.52x = 65,460,411,855.85
  5. Step 5: Solve for x
    x = 65,460,411,855.85/296,789.52
  6. Step 6: Final answer
    x = 220,561.74

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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.