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Finding the Fourth Proportional to 654,295.20, 981,151.20 and 254,803.20

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Solution

The fourth proportional to 654,295.20, 981,151.20 and 254,803.20 is: 382,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,295.20 : 981,151.20 = 254,803.20 : x
  2. Step 2: Convert to fraction form
    654,295.20/981,151.20 = 254,803.20/x
  3. Step 3: Cross multiply
    654,295.20x = 981,151.20 × 254,803.20
  4. Step 4: Simplify right side
    654,295.20x = 250,000,465,443.84
  5. Step 5: Solve for x
    x = 250,000,465,443.84/654,295.20
  6. Step 6: Final answer
    x = 382,091.24

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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.