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Finding the Fourth Proportional to 404,354.40, 607,187.70 and 227,207.40

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Solution

The fourth proportional to 404,354.40, 607,187.70 and 227,207.40 is: 341,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,354.40 : 607,187.70 = 227,207.40 : x
  2. Step 2: Convert to fraction form
    404,354.40/607,187.70 = 227,207.40/x
  3. Step 3: Cross multiply
    404,354.40x = 607,187.70 × 227,207.40
  4. Step 4: Simplify right side
    404,354.40x = 137,957,538,628.98
  5. Step 5: Solve for x
    x = 137,957,538,628.98/404,354.40
  6. Step 6: Final answer
    x = 341,179.76

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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.