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Finding the Fourth Proportional to 296,053.92, 408,065.04 and 220,574.88

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Solution

The fourth proportional to 296,053.92, 408,065.04 and 220,574.88 is: 304,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,053.92 : 408,065.04 = 220,574.88 : x
  2. Step 2: Convert to fraction form
    296,053.92/408,065.04 = 220,574.88/x
  3. Step 3: Cross multiply
    296,053.92x = 408,065.04 × 220,574.88
  4. Step 4: Simplify right side
    296,053.92x = 90,008,897,230.20
  5. Step 5: Solve for x
    x = 90,008,897,230.20/296,053.92
  6. Step 6: Final answer
    x = 304,028.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.