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Finding the Fourth Proportional to 264,419.79, 395,752.57 and 240,781.96

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Solution

The fourth proportional to 264,419.79, 395,752.57 and 240,781.96 is: 360,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,419.79 : 395,752.57 = 240,781.96 : x
  2. Step 2: Convert to fraction form
    264,419.79/395,752.57 = 240,781.96/x
  3. Step 3: Cross multiply
    264,419.79x = 395,752.57 × 240,781.96
  4. Step 4: Simplify right side
    264,419.79x = 95,290,079,479.64
  5. Step 5: Solve for x
    x = 95,290,079,479.64/264,419.79
  6. Step 6: Final answer
    x = 360,374.23

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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.