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Finding the Fourth Proportional to 981,452.16, 1,472,489.28 and 350,352

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Solution

The fourth proportional to 981,452.16, 1,472,489.28 and 350,352 is: 525,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,452.16 : 1,472,489.28 = 350,352 : x
  2. Step 2: Convert to fraction form
    981,452.16/1,472,489.28 = 350,352/x
  3. Step 3: Cross multiply
    981,452.16x = 1,472,489.28 × 350,352
  4. Step 4: Simplify right side
    981,452.16x = 515,889,564,226.56
  5. Step 5: Solve for x
    x = 515,889,564,226.56/981,452.16
  6. Step 6: Final answer
    x = 525,639.03

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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.