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Finding the Fourth Proportional to 502,503.20, 753,604.86 and 165,481.64

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Solution

The fourth proportional to 502,503.20, 753,604.86 and 165,481.64 is: 248,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,503.20 : 753,604.86 = 165,481.64 : x
  2. Step 2: Convert to fraction form
    502,503.20/753,604.86 = 165,481.64/x
  3. Step 3: Cross multiply
    502,503.20x = 753,604.86 × 165,481.64
  4. Step 4: Simplify right side
    502,503.20x = 124,707,768,144.77
  5. Step 5: Solve for x
    x = 124,707,768,144.77/502,503.20
  6. Step 6: Final answer
    x = 248,173.08

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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.