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Finding the Fourth Proportional to 608,545.52, 913,034.56 and 271,555.52

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Solution

The fourth proportional to 608,545.52, 913,034.56 and 271,555.52 is: 407,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,545.52 : 913,034.56 = 271,555.52 : x
  2. Step 2: Convert to fraction form
    608,545.52/913,034.56 = 271,555.52/x
  3. Step 3: Cross multiply
    608,545.52x = 913,034.56 × 271,555.52
  4. Step 4: Simplify right side
    608,545.52x = 247,939,574,718.77
  5. Step 5: Solve for x
    x = 247,939,574,718.77/608,545.52
  6. Step 6: Final answer
    x = 407,429.79

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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.