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Finding the Fourth Proportional to 437,063.69, 655,689.33 and 247,614.82

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Solution

The fourth proportional to 437,063.69, 655,689.33 and 247,614.82 is: 371,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,063.69 : 655,689.33 = 247,614.82 : x
  2. Step 2: Convert to fraction form
    437,063.69/655,689.33 = 247,614.82/x
  3. Step 3: Cross multiply
    437,063.69x = 655,689.33 × 247,614.82
  4. Step 4: Simplify right side
    437,063.69x = 162,358,393,784.65
  5. Step 5: Solve for x
    x = 162,358,393,784.65/437,063.69
  6. Step 6: Final answer
    x = 371,475.36

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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.