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Finding the Fourth Proportional to 546,418.16, 819,627.24 and 147,059.84

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Solution

The fourth proportional to 546,418.16, 819,627.24 and 147,059.84 is: 220,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,418.16 : 819,627.24 = 147,059.84 : x
  2. Step 2: Convert to fraction form
    546,418.16/819,627.24 = 147,059.84/x
  3. Step 3: Cross multiply
    546,418.16x = 819,627.24 × 147,059.84
  4. Step 4: Simplify right side
    546,418.16x = 120,534,250,774.04
  5. Step 5: Solve for x
    x = 120,534,250,774.04/546,418.16
  6. Step 6: Final answer
    x = 220,589.76

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Double scale
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Similar ratio
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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.