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Finding the Fourth Proportional to 332,181.60, 497,235.60 and 261,679.20

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Solution

The fourth proportional to 332,181.60, 497,235.60 and 261,679.20 is: 391,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,181.60 : 497,235.60 = 261,679.20 : x
  2. Step 2: Convert to fraction form
    332,181.60/497,235.60 = 261,679.20/x
  3. Step 3: Cross multiply
    332,181.60x = 497,235.60 × 261,679.20
  4. Step 4: Simplify right side
    332,181.60x = 130,116,214,019.52
  5. Step 5: Solve for x
    x = 130,116,214,019.52/332,181.60
  6. Step 6: Final answer
    x = 391,702.05

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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.