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Finding the Fourth Proportional to 654,148.17, 981,602.96 and 275,041.44

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Solution

The fourth proportional to 654,148.17, 981,602.96 and 275,041.44 is: 412,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,148.17 : 981,602.96 = 275,041.44 : x
  2. Step 2: Convert to fraction form
    654,148.17/981,602.96 = 275,041.44/x
  3. Step 3: Cross multiply
    654,148.17x = 981,602.96 × 275,041.44
  4. Step 4: Simplify right side
    654,148.17x = 269,981,490,251.46
  5. Step 5: Solve for x
    x = 269,981,490,251.46/654,148.17
  6. Step 6: Final answer
    x = 412,722.23

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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.