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Finding the Fourth Proportional to 539,553.40, 809,427.30 and 224,042.20

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Solution

The fourth proportional to 539,553.40, 809,427.30 and 224,042.20 is: 336,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,553.40 : 809,427.30 = 224,042.20 : x
  2. Step 2: Convert to fraction form
    539,553.40/809,427.30 = 224,042.20/x
  3. Step 3: Cross multiply
    539,553.40x = 809,427.30 × 224,042.20
  4. Step 4: Simplify right side
    539,553.40x = 181,345,873,032.06
  5. Step 5: Solve for x
    x = 181,345,873,032.06/539,553.40
  6. Step 6: Final answer
    x = 336,103.66

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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.