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Finding the Fourth Proportional to 350,961.10, 526,441.84 and 98,278.90

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Solution

The fourth proportional to 350,961.10, 526,441.84 and 98,278.90 is: 147,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,961.10 : 526,441.84 = 98,278.90 : x
  2. Step 2: Convert to fraction form
    350,961.10/526,441.84 = 98,278.90/x
  3. Step 3: Cross multiply
    350,961.10x = 526,441.84 × 98,278.90
  4. Step 4: Simplify right side
    350,961.10x = 51,738,123,387.37
  5. Step 5: Solve for x
    x = 51,738,123,387.37/350,961.10
  6. Step 6: Final answer
    x = 147,418.40

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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.