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Finding the Fourth Proportional to 296,002.30, 444,003.45 and 129,790.30

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Solution

The fourth proportional to 296,002.30, 444,003.45 and 129,790.30 is: 194,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,002.30 : 444,003.45 = 129,790.30 : x
  2. Step 2: Convert to fraction form
    296,002.30/444,003.45 = 129,790.30/x
  3. Step 3: Cross multiply
    296,002.30x = 444,003.45 × 129,790.30
  4. Step 4: Simplify right side
    296,002.30x = 57,627,340,976.54
  5. Step 5: Solve for x
    x = 57,627,340,976.54/296,002.30
  6. Step 6: Final answer
    x = 194,685.45

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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.