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Finding the Fourth Proportional to 378,292.68, 567,574.56 and 162,060.72

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Solution

The fourth proportional to 378,292.68, 567,574.56 and 162,060.72 is: 243,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,292.68 : 567,574.56 = 162,060.72 : x
  2. Step 2: Convert to fraction form
    378,292.68/567,574.56 = 162,060.72/x
  3. Step 3: Cross multiply
    378,292.68x = 567,574.56 × 162,060.72
  4. Step 4: Simplify right side
    378,292.68x = 91,981,541,847.28
  5. Step 5: Solve for x
    x = 91,981,541,847.28/378,292.68
  6. Step 6: Final answer
    x = 243,149.15

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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.