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Finding the Fourth Proportional to 814,694.40, 1,221,550.68 and 365,334

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Solution

The fourth proportional to 814,694.40, 1,221,550.68 and 365,334 is: 547,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,694.40 : 1,221,550.68 = 365,334 : x
  2. Step 2: Convert to fraction form
    814,694.40/1,221,550.68 = 365,334/x
  3. Step 3: Cross multiply
    814,694.40x = 1,221,550.68 × 365,334
  4. Step 4: Simplify right side
    814,694.40x = 446,273,996,127.12
  5. Step 5: Solve for x
    x = 446,273,996,127.12/814,694.40
  6. Step 6: Final answer
    x = 547,780.86

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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.