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Finding the Fourth Proportional to 456,659.28, 630,167.46 and 252,706.56

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Solution

The fourth proportional to 456,659.28, 630,167.46 and 252,706.56 is: 348,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,659.28 : 630,167.46 = 252,706.56 : x
  2. Step 2: Convert to fraction form
    456,659.28/630,167.46 = 252,706.56/x
  3. Step 3: Cross multiply
    456,659.28x = 630,167.46 × 252,706.56
  4. Step 4: Simplify right side
    456,659.28x = 159,247,451,040.54
  5. Step 5: Solve for x
    x = 159,247,451,040.54/456,659.28
  6. Step 6: Final answer
    x = 348,722.69

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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.