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Finding the Fourth Proportional to 330,087.94, 455,523.69 and 179,184.94

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Solution

The fourth proportional to 330,087.94, 455,523.69 and 179,184.94 is: 247,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,087.94 : 455,523.69 = 179,184.94 : x
  2. Step 2: Convert to fraction form
    330,087.94/455,523.69 = 179,184.94/x
  3. Step 3: Cross multiply
    330,087.94x = 455,523.69 × 179,184.94
  4. Step 4: Simplify right side
    330,087.94x = 81,622,985,061.23
  5. Step 5: Solve for x
    x = 81,622,985,061.23/330,087.94
  6. Step 6: Final answer
    x = 247,276.48

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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.