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Finding the Fourth Proportional to 330,963.57, 456,716.88 and 187,751.52

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Solution

The fourth proportional to 330,963.57, 456,716.88 and 187,751.52 is: 259,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,963.57 : 456,716.88 = 187,751.52 : x
  2. Step 2: Convert to fraction form
    330,963.57/456,716.88 = 187,751.52/x
  3. Step 3: Cross multiply
    330,963.57x = 456,716.88 × 187,751.52
  4. Step 4: Simplify right side
    330,963.57x = 85,749,288,429.66
  5. Step 5: Solve for x
    x = 85,749,288,429.66/330,963.57
  6. Step 6: Final answer
    x = 259,089.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.