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Finding the Fourth Proportional to 404,640.88, 558,404.48 and 223,352.88

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Solution

The fourth proportional to 404,640.88, 558,404.48 and 223,352.88 is: 308,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,640.88 : 558,404.48 = 223,352.88 : x
  2. Step 2: Convert to fraction form
    404,640.88/558,404.48 = 223,352.88/x
  3. Step 3: Cross multiply
    404,640.88x = 558,404.48 × 223,352.88
  4. Step 4: Simplify right side
    404,640.88x = 124,721,248,812.90
  5. Step 5: Solve for x
    x = 124,721,248,812.90/404,640.88
  6. Step 6: Final answer
    x = 308,227.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.