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Finding the Fourth Proportional to 342,337.94, 472,426.78 and 187,291.19

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Solution

The fourth proportional to 342,337.94, 472,426.78 and 187,291.19 is: 258,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,337.94 : 472,426.78 = 187,291.19 : x
  2. Step 2: Convert to fraction form
    342,337.94/472,426.78 = 187,291.19/x
  3. Step 3: Cross multiply
    342,337.94x = 472,426.78 × 187,291.19
  4. Step 4: Simplify right side
    342,337.94x = 88,481,372,220.68
  5. Step 5: Solve for x
    x = 88,481,372,220.68/342,337.94
  6. Step 6: Final answer
    x = 258,462.07

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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.