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Finding the Fourth Proportional to 326,053.64, 488,357.94 and 250,618.34

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Solution

The fourth proportional to 326,053.64, 488,357.94 and 250,618.34 is: 375,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,053.64 : 488,357.94 = 250,618.34 : x
  2. Step 2: Convert to fraction form
    326,053.64/488,357.94 = 250,618.34/x
  3. Step 3: Cross multiply
    326,053.64x = 488,357.94 × 250,618.34
  4. Step 4: Simplify right side
    326,053.64x = 122,391,456,248.62
  5. Step 5: Solve for x
    x = 122,391,456,248.62/326,053.64
  6. Step 6: Final answer
    x = 375,372.15

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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.