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Finding the Fourth Proportional to 424,916.80, 636,694.80 and 224,976.40

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Solution

The fourth proportional to 424,916.80, 636,694.80 and 224,976.40 is: 337,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,916.80 : 636,694.80 = 224,976.40 : x
  2. Step 2: Convert to fraction form
    424,916.80/636,694.80 = 224,976.40/x
  3. Step 3: Cross multiply
    424,916.80x = 636,694.80 × 224,976.40
  4. Step 4: Simplify right side
    424,916.80x = 143,241,304,002.72
  5. Step 5: Solve for x
    x = 143,241,304,002.72/424,916.80
  6. Step 6: Final answer
    x = 337,104.36

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1.5x scale

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.