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Finding the Fourth Proportional to 438,542.91, 605,189.25 and 237,338.91

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Solution

The fourth proportional to 438,542.91, 605,189.25 and 237,338.91 is: 327,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,542.91 : 605,189.25 = 237,338.91 : x
  2. Step 2: Convert to fraction form
    438,542.91/605,189.25 = 237,338.91/x
  3. Step 3: Cross multiply
    438,542.91x = 605,189.25 × 237,338.91
  4. Step 4: Simplify right side
    438,542.91x = 143,634,956,938.72
  5. Step 5: Solve for x
    x = 143,634,956,938.72/438,542.91
  6. Step 6: Final answer
    x = 327,527.71

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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.