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Finding the Fourth Proportional to 404,704.95, 558,478.15 and 223,412.97

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Solution

The fourth proportional to 404,704.95, 558,478.15 and 223,412.97 is: 308,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,704.95 : 558,478.15 = 223,412.97 : x
  2. Step 2: Convert to fraction form
    404,704.95/558,478.15 = 223,412.97/x
  3. Step 3: Cross multiply
    404,704.95x = 558,478.15 × 223,412.97
  4. Step 4: Simplify right side
    404,704.95x = 124,771,262,171.61
  5. Step 5: Solve for x
    x = 124,771,262,171.61/404,704.95
  6. Step 6: Final answer
    x = 308,301.79

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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.