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Finding the Fourth Proportional to 526,901.72, 790,380.54 and 167,100.92

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Solution

The fourth proportional to 526,901.72, 790,380.54 and 167,100.92 is: 250,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,901.72 : 790,380.54 = 167,100.92 : x
  2. Step 2: Convert to fraction form
    526,901.72/790,380.54 = 167,100.92/x
  3. Step 3: Cross multiply
    526,901.72x = 790,380.54 × 167,100.92
  4. Step 4: Simplify right side
    526,901.72x = 132,073,315,384.10
  5. Step 5: Solve for x
    x = 132,073,315,384.10/526,901.72
  6. Step 6: Final answer
    x = 250,660.25

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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.