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Finding the Fourth Proportional to 372,264.27, 558,184.55 and 254,078.79

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Solution

The fourth proportional to 372,264.27, 558,184.55 and 254,078.79 is: 380,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,264.27 : 558,184.55 = 254,078.79 : x
  2. Step 2: Convert to fraction form
    372,264.27/558,184.55 = 254,078.79/x
  3. Step 3: Cross multiply
    372,264.27x = 558,184.55 × 254,078.79
  4. Step 4: Simplify right side
    372,264.27x = 141,822,853,790.30
  5. Step 5: Solve for x
    x = 141,822,853,790.30/372,264.27
  6. Step 6: Final answer
    x = 380,973.59

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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.