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Finding the Fourth Proportional to 334,884.40, 502,407.60 and 98,234.80

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Solution

The fourth proportional to 334,884.40, 502,407.60 and 98,234.80 is: 147,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,884.40 : 502,407.60 = 98,234.80 : x
  2. Step 2: Convert to fraction form
    334,884.40/502,407.60 = 98,234.80/x
  3. Step 3: Cross multiply
    334,884.40x = 502,407.60 × 98,234.80
  4. Step 4: Simplify right side
    334,884.40x = 49,353,910,104.48
  5. Step 5: Solve for x
    x = 49,353,910,104.48/334,884.40
  6. Step 6: Final answer
    x = 147,375.96

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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.