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Finding the Fourth Proportional to 502,176.24, 693,019.80 and 275,842.80

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Solution

The fourth proportional to 502,176.24, 693,019.80 and 275,842.80 is: 380,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,176.24 : 693,019.80 = 275,842.80 : x
  2. Step 2: Convert to fraction form
    502,176.24/693,019.80 = 275,842.80/x
  3. Step 3: Cross multiply
    502,176.24x = 693,019.80 × 275,842.80
  4. Step 4: Simplify right side
    502,176.24x = 191,164,522,087.44
  5. Step 5: Solve for x
    x = 191,164,522,087.44/502,176.24
  6. Step 6: Final answer
    x = 380,672.18

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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.