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Finding the Fourth Proportional to 404,637.88, 558,400.34 and 223,349.88

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Solution

The fourth proportional to 404,637.88, 558,400.34 and 223,349.88 is: 308,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,637.88 : 558,400.34 = 223,349.88 : x
  2. Step 2: Convert to fraction form
    404,637.88/558,400.34 = 223,349.88/x
  3. Step 3: Cross multiply
    404,637.88x = 558,400.34 × 223,349.88
  4. Step 4: Simplify right side
    404,637.88x = 124,718,648,930.96
  5. Step 5: Solve for x
    x = 124,718,648,930.96/404,637.88
  6. Step 6: Final answer
    x = 308,222.87

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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.