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Finding the Fourth Proportional to 502,290.24, 693,157.68 and 275,930.88

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Solution

The fourth proportional to 502,290.24, 693,157.68 and 275,930.88 is: 380,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,290.24 : 693,157.68 = 275,930.88 : x
  2. Step 2: Convert to fraction form
    502,290.24/693,157.68 = 275,930.88/x
  3. Step 3: Cross multiply
    502,290.24x = 693,157.68 × 275,930.88
  4. Step 4: Simplify right side
    502,290.24x = 191,263,608,621.16
  5. Step 5: Solve for x
    x = 191,263,608,621.16/502,290.24
  6. Step 6: Final answer
    x = 380,783.05

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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.