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Finding the Fourth Proportional to 296,864.20, 444,640.20 and 119,279.80

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Solution

The fourth proportional to 296,864.20, 444,640.20 and 119,279.80 is: 178,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,864.20 : 444,640.20 = 119,279.80 : x
  2. Step 2: Convert to fraction form
    296,864.20/444,640.20 = 119,279.80/x
  3. Step 3: Cross multiply
    296,864.20x = 444,640.20 × 119,279.80
  4. Step 4: Simplify right side
    296,864.20x = 53,036,594,127.96
  5. Step 5: Solve for x
    x = 53,036,594,127.96/296,864.20
  6. Step 6: Final answer
    x = 178,656.08

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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.