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Finding the Fourth Proportional to 372,011.33, 558,245.43 and 295,658.19

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Solution

The fourth proportional to 372,011.33, 558,245.43 and 295,658.19 is: 443,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,011.33 : 558,245.43 = 295,658.19 : x
  2. Step 2: Convert to fraction form
    372,011.33/558,245.43 = 295,658.19/x
  3. Step 3: Cross multiply
    372,011.33x = 558,245.43 × 295,658.19
  4. Step 4: Simplify right side
    372,011.33x = 165,049,833,409.57
  5. Step 5: Solve for x
    x = 165,049,833,409.57/372,011.33
  6. Step 6: Final answer
    x = 443,668.83

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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.