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Finding the Fourth Proportional to 544,806.72, 817,340.96 and 170,829.76

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Solution

The fourth proportional to 544,806.72, 817,340.96 and 170,829.76 is: 256,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,806.72 : 817,340.96 = 170,829.76 : x
  2. Step 2: Convert to fraction form
    544,806.72/817,340.96 = 170,829.76/x
  3. Step 3: Cross multiply
    544,806.72x = 817,340.96 × 170,829.76
  4. Step 4: Simplify right side
    544,806.72x = 139,626,160,034.97
  5. Step 5: Solve for x
    x = 139,626,160,034.97/544,806.72
  6. Step 6: Final answer
    x = 256,285.68

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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.