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Finding the Fourth Proportional to 311,026.10, 466,539.15 and 100,814.90

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Solution

The fourth proportional to 311,026.10, 466,539.15 and 100,814.90 is: 151,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,026.10 : 466,539.15 = 100,814.90 : x
  2. Step 2: Convert to fraction form
    311,026.10/466,539.15 = 100,814.90/x
  3. Step 3: Cross multiply
    311,026.10x = 466,539.15 × 100,814.90
  4. Step 4: Simplify right side
    311,026.10x = 47,034,097,753.34
  5. Step 5: Solve for x
    x = 47,034,097,753.34/311,026.10
  6. Step 6: Final answer
    x = 151,222.35

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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.