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Finding the Fourth Proportional to 330,045.44, 455,463.12 and 179,142.48

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Solution

The fourth proportional to 330,045.44, 455,463.12 and 179,142.48 is: 247,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,045.44 : 455,463.12 = 179,142.48 : x
  2. Step 2: Convert to fraction form
    330,045.44/455,463.12 = 179,142.48/x
  3. Step 3: Cross multiply
    330,045.44x = 455,463.12 × 179,142.48
  4. Step 4: Simplify right side
    330,045.44x = 81,592,792,865.34
  5. Step 5: Solve for x
    x = 81,592,792,865.34/330,045.44
  6. Step 6: Final answer
    x = 247,216.85

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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.