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Finding the Fourth Proportional to 275,226.76, 412,836.46 and 75,547.18

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Solution

The fourth proportional to 275,226.76, 412,836.46 and 75,547.18 is: 113,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,226.76 : 412,836.46 = 75,547.18 : x
  2. Step 2: Convert to fraction form
    275,226.76/412,836.46 = 75,547.18/x
  3. Step 3: Cross multiply
    275,226.76x = 412,836.46 × 75,547.18
  4. Step 4: Simplify right side
    275,226.76x = 31,188,630,354.18
  5. Step 5: Solve for x
    x = 31,188,630,354.18/275,226.76
  6. Step 6: Final answer
    x = 113,319.76

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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.