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Finding the Fourth Proportional to 372,793.20, 558,723.48 and 293,594.64

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Solution

The fourth proportional to 372,793.20, 558,723.48 and 293,594.64 is: 440,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,793.20 : 558,723.48 = 293,594.64 : x
  2. Step 2: Convert to fraction form
    372,793.20/558,723.48 = 293,594.64/x
  3. Step 3: Cross multiply
    372,793.20x = 558,723.48 × 293,594.64
  4. Step 4: Simplify right side
    372,793.20x = 164,038,218,970.15
  5. Step 5: Solve for x
    x = 164,038,218,970.15/372,793.20
  6. Step 6: Final answer
    x = 440,024.71

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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.