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Finding the Fourth Proportional to 263,530.60, 394,374.30 and 241,412.20

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Solution

The fourth proportional to 263,530.60, 394,374.30 and 241,412.20 is: 361,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,530.60 : 394,374.30 = 241,412.20 : x
  2. Step 2: Convert to fraction form
    263,530.60/394,374.30 = 241,412.20/x
  3. Step 3: Cross multiply
    263,530.60x = 394,374.30 × 241,412.20
  4. Step 4: Simplify right side
    263,530.60x = 95,206,767,386.46
  5. Step 5: Solve for x
    x = 95,206,767,386.46/263,530.60
  6. Step 6: Final answer
    x = 361,274.05

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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.