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Finding the Fourth Proportional to 462,704.87, 638,506.17 and 255,960.87

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Solution

The fourth proportional to 462,704.87, 638,506.17 and 255,960.87 is: 353,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,704.87 : 638,506.17 = 255,960.87 : x
  2. Step 2: Convert to fraction form
    462,704.87/638,506.17 = 255,960.87/x
  3. Step 3: Cross multiply
    462,704.87x = 638,506.17 × 255,960.87
  4. Step 4: Simplify right side
    462,704.87x = 163,432,594,773.57
  5. Step 5: Solve for x
    x = 163,432,594,773.57/462,704.87
  6. Step 6: Final answer
    x = 353,211.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.