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Finding the Fourth Proportional to 330,017.44, 455,424.52 and 179,114.44

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Solution

The fourth proportional to 330,017.44, 455,424.52 and 179,114.44 is: 247,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,017.44 : 455,424.52 = 179,114.44 : x
  2. Step 2: Convert to fraction form
    330,017.44/455,424.52 = 179,114.44/x
  3. Step 3: Cross multiply
    330,017.44x = 455,424.52 × 179,114.44
  4. Step 4: Simplify right side
    330,017.44x = 81,573,107,862.07
  5. Step 5: Solve for x
    x = 81,573,107,862.07/330,017.44
  6. Step 6: Final answer
    x = 247,178.17

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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.