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Finding the Fourth Proportional to 526,912.44, 790,370.72 and 127,552.56

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Solution

The fourth proportional to 526,912.44, 790,370.72 and 127,552.56 is: 191,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,912.44 : 790,370.72 = 127,552.56 : x
  2. Step 2: Convert to fraction form
    526,912.44/790,370.72 = 127,552.56/x
  3. Step 3: Cross multiply
    526,912.44x = 790,370.72 × 127,552.56
  4. Step 4: Simplify right side
    526,912.44x = 100,813,808,047.28
  5. Step 5: Solve for x
    x = 100,813,808,047.28/526,912.44
  6. Step 6: Final answer
    x = 191,329.34

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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.