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Finding the Fourth Proportional to 502,278.36, 753,418.98 and 123,200.88

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Solution

The fourth proportional to 502,278.36, 753,418.98 and 123,200.88 is: 184,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,278.36 : 753,418.98 = 123,200.88 : x
  2. Step 2: Convert to fraction form
    502,278.36/753,418.98 = 123,200.88/x
  3. Step 3: Cross multiply
    502,278.36x = 753,418.98 × 123,200.88
  4. Step 4: Simplify right side
    502,278.36x = 92,821,881,344.70
  5. Step 5: Solve for x
    x = 92,821,881,344.70/502,278.36
  6. Step 6: Final answer
    x = 184,801.67

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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.