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Finding the Fourth Proportional to 372,168.55, 513,708.23 and 295,823.11

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Solution

The fourth proportional to 372,168.55, 513,708.23 and 295,823.11 is: 408,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,168.55 : 513,708.23 = 295,823.11 : x
  2. Step 2: Convert to fraction form
    372,168.55/513,708.23 = 295,823.11/x
  3. Step 3: Cross multiply
    372,168.55x = 513,708.23 × 295,823.11
  4. Step 4: Simplify right side
    372,168.55x = 151,966,766,231.20
  5. Step 5: Solve for x
    x = 151,966,766,231.20/372,168.55
  6. Step 6: Final answer
    x = 408,327.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.