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Finding the Fourth Proportional to 372,794.60, 558,638.92 and 273,814.76

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Solution

The fourth proportional to 372,794.60, 558,638.92 and 273,814.76 is: 410,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,794.60 : 558,638.92 = 273,814.76 : x
  2. Step 2: Convert to fraction form
    372,794.60/558,638.92 = 273,814.76/x
  3. Step 3: Cross multiply
    372,794.60x = 558,638.92 × 273,814.76
  4. Step 4: Simplify right side
    372,794.60x = 152,963,581,806.46
  5. Step 5: Solve for x
    x = 152,963,581,806.46/372,794.60
  6. Step 6: Final answer
    x = 410,315.98

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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.