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Finding the Fourth Proportional to 324,474.44, 486,032.77 and 260,951.20

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Solution

The fourth proportional to 324,474.44, 486,032.77 and 260,951.20 is: 390,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,474.44 : 486,032.77 = 260,951.20 : x
  2. Step 2: Convert to fraction form
    324,474.44/486,032.77 = 260,951.20/x
  3. Step 3: Cross multiply
    324,474.44x = 486,032.77 × 260,951.20
  4. Step 4: Simplify right side
    324,474.44x = 126,830,832,703.36
  5. Step 5: Solve for x
    x = 126,830,832,703.36/324,474.44
  6. Step 6: Final answer
    x = 390,880.82

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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.