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Finding the Fourth Proportional to 372,679.38, 558,552.51 and 293,480.82

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Solution

The fourth proportional to 372,679.38, 558,552.51 and 293,480.82 is: 439,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,679.38 : 558,552.51 = 293,480.82 : x
  2. Step 2: Convert to fraction form
    372,679.38/558,552.51 = 293,480.82/x
  3. Step 3: Cross multiply
    372,679.38x = 558,552.51 × 293,480.82
  4. Step 4: Simplify right side
    372,679.38x = 163,924,448,647.86
  5. Step 5: Solve for x
    x = 163,924,448,647.86/372,679.38
  6. Step 6: Final answer
    x = 439,853.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.