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Finding the Fourth Proportional to 275,026.20, 412,612.20 and 97,514.70

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Solution

The fourth proportional to 275,026.20, 412,612.20 and 97,514.70 is: 146,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,026.20 : 412,612.20 = 97,514.70 : x
  2. Step 2: Convert to fraction form
    275,026.20/412,612.20 = 97,514.70/x
  3. Step 3: Cross multiply
    275,026.20x = 412,612.20 × 97,514.70
  4. Step 4: Simplify right side
    275,026.20x = 40,235,754,899.34
  5. Step 5: Solve for x
    x = 40,235,754,899.34/275,026.20
  6. Step 6: Final answer
    x = 146,297.90

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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.