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Finding the Fourth Proportional to 330,044.76, 455,467.05 and 179,141.76

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Solution

The fourth proportional to 330,044.76, 455,467.05 and 179,141.76 is: 247,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,044.76 : 455,467.05 = 179,141.76 : x
  2. Step 2: Convert to fraction form
    330,044.76/455,467.05 = 179,141.76/x
  3. Step 3: Cross multiply
    330,044.76x = 455,467.05 × 179,141.76
  4. Step 4: Simplify right side
    330,044.76x = 81,593,168,959.01
  5. Step 5: Solve for x
    x = 81,593,168,959.01/330,044.76
  6. Step 6: Final answer
    x = 247,218.50

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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.