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Finding the Fourth Proportional to 296,767.20, 444,805.20 and 119,186.40

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Solution

The fourth proportional to 296,767.20, 444,805.20 and 119,186.40 is: 178,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,767.20 : 444,805.20 = 119,186.40 : x
  2. Step 2: Convert to fraction form
    296,767.20/444,805.20 = 119,186.40/x
  3. Step 3: Cross multiply
    296,767.20x = 444,805.20 × 119,186.40
  4. Step 4: Simplify right side
    296,767.20x = 53,014,730,489.28
  5. Step 5: Solve for x
    x = 53,014,730,489.28/296,767.20
  6. Step 6: Final answer
    x = 178,640.80

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1.5x scale

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.