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Finding the Fourth Proportional to 483,628.68, 725,565.96 and 284,117.76

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Solution

The fourth proportional to 483,628.68, 725,565.96 and 284,117.76 is: 426,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,628.68 : 725,565.96 = 284,117.76 : x
  2. Step 2: Convert to fraction form
    483,628.68/725,565.96 = 284,117.76/x
  3. Step 3: Cross multiply
    483,628.68x = 725,565.96 × 284,117.76
  4. Step 4: Simplify right side
    483,628.68x = 206,146,175,287.45
  5. Step 5: Solve for x
    x = 206,146,175,287.45/483,628.68
  6. Step 6: Final answer
    x = 426,248.86

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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.