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Finding the Fourth Proportional to 518,116.96, 777,506.16 and 251,732.24

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Solution

The fourth proportional to 518,116.96, 777,506.16 and 251,732.24 is: 377,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,116.96 : 777,506.16 = 251,732.24 : x
  2. Step 2: Convert to fraction form
    518,116.96/777,506.16 = 251,732.24/x
  3. Step 3: Cross multiply
    518,116.96x = 777,506.16 × 251,732.24
  4. Step 4: Simplify right side
    518,116.96x = 195,723,367,270.60
  5. Step 5: Solve for x
    x = 195,723,367,270.60/518,116.96
  6. Step 6: Final answer
    x = 377,759.04

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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.