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Finding the Fourth Proportional to 526,901.54, 790,380.30 and 167,100.75

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Solution

The fourth proportional to 526,901.54, 790,380.30 and 167,100.75 is: 250,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,901.54 : 790,380.30 = 167,100.75 : x
  2. Step 2: Convert to fraction form
    526,901.54/790,380.30 = 167,100.75/x
  3. Step 3: Cross multiply
    526,901.54x = 790,380.30 × 167,100.75
  4. Step 4: Simplify right side
    526,901.54x = 132,073,140,915.23
  5. Step 5: Solve for x
    x = 132,073,140,915.23/526,901.54
  6. Step 6: Final answer
    x = 250,660.00

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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.