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Finding the Fourth Proportional to 372,290.58, 513,766.40 and 202,524.71

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Solution

The fourth proportional to 372,290.58, 513,766.40 and 202,524.71 is: 279,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,290.58 : 513,766.40 = 202,524.71 : x
  2. Step 2: Convert to fraction form
    372,290.58/513,766.40 = 202,524.71/x
  3. Step 3: Cross multiply
    372,290.58x = 513,766.40 × 202,524.71
  4. Step 4: Simplify right side
    372,290.58x = 104,050,387,586.29
  5. Step 5: Solve for x
    x = 104,050,387,586.29/372,290.58
  6. Step 6: Final answer
    x = 279,487.03

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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.