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Finding the Fourth Proportional to 372,480.22, 558,720.33 and 306,549.82

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Solution

The fourth proportional to 372,480.22, 558,720.33 and 306,549.82 is: 459,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,480.22 : 558,720.33 = 306,549.82 : x
  2. Step 2: Convert to fraction form
    372,480.22/558,720.33 = 306,549.82/x
  3. Step 3: Cross multiply
    372,480.22x = 558,720.33 × 306,549.82
  4. Step 4: Simplify right side
    372,480.22x = 171,275,616,591.84
  5. Step 5: Solve for x
    x = 171,275,616,591.84/372,480.22
  6. Step 6: Final answer
    x = 459,824.73

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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.