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Finding the Fourth Proportional to 323,246.88, 485,077.68 and 156,944.16

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Solution

The fourth proportional to 323,246.88, 485,077.68 and 156,944.16 is: 235,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,246.88 : 485,077.68 = 156,944.16 : x
  2. Step 2: Convert to fraction form
    323,246.88/485,077.68 = 156,944.16/x
  3. Step 3: Cross multiply
    323,246.88x = 485,077.68 × 156,944.16
  4. Step 4: Simplify right side
    323,246.88x = 76,130,109,022.35
  5. Step 5: Solve for x
    x = 76,130,109,022.35/323,246.88
  6. Step 6: Final answer
    x = 235,516.92

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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.