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Finding the Fourth Proportional to 424,244.20, 636,366.30 and 424,244.20

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Solution

The fourth proportional to 424,244.20, 636,366.30 and 424,244.20 is: 636,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,244.20 : 636,366.30 = 424,244.20 : x
  2. Step 2: Convert to fraction form
    424,244.20/636,366.30 = 424,244.20/x
  3. Step 3: Cross multiply
    424,244.20x = 636,366.30 × 424,244.20
  4. Step 4: Simplify right side
    424,244.20x = 269,974,711,850.46
  5. Step 5: Solve for x
    x = 269,974,711,850.46/424,244.20
  6. Step 6: Final answer
    x = 636,366.30

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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.