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Finding the Fourth Proportional to 366,330.20, 548,839.20 and 313,842.20

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Solution

The fourth proportional to 366,330.20, 548,839.20 and 313,842.20 is: 470,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,330.20 : 548,839.20 = 313,842.20 : x
  2. Step 2: Convert to fraction form
    366,330.20/548,839.20 = 313,842.20/x
  3. Step 3: Cross multiply
    366,330.20x = 548,839.20 × 313,842.20
  4. Step 4: Simplify right side
    366,330.20x = 172,248,901,974.24
  5. Step 5: Solve for x
    x = 172,248,901,974.24/366,330.20
  6. Step 6: Final answer
    x = 470,201.21

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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.