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Finding the Fourth Proportional to 252,608.60, 378,038.10 and 173,876.60

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Solution

The fourth proportional to 252,608.60, 378,038.10 and 173,876.60 is: 260,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,608.60 : 378,038.10 = 173,876.60 : x
  2. Step 2: Convert to fraction form
    252,608.60/378,038.10 = 173,876.60/x
  3. Step 3: Cross multiply
    252,608.60x = 378,038.10 × 173,876.60
  4. Step 4: Simplify right side
    252,608.60x = 65,731,979,498.46
  5. Step 5: Solve for x
    x = 65,731,979,498.46/252,608.60
  6. Step 6: Final answer
    x = 260,212.75

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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.