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Finding the Fourth Proportional to 555,974.64, 834,010.92 and 156,618.72

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Solution

The fourth proportional to 555,974.64, 834,010.92 and 156,618.72 is: 234,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,974.64 : 834,010.92 = 156,618.72 : x
  2. Step 2: Convert to fraction form
    555,974.64/834,010.92 = 156,618.72/x
  3. Step 3: Cross multiply
    555,974.64x = 834,010.92 × 156,618.72
  4. Step 4: Simplify right side
    555,974.64x = 130,621,722,756.42
  5. Step 5: Solve for x
    x = 130,621,722,756.42/555,974.64
  6. Step 6: Final answer
    x = 234,941.87

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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.