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Finding the Fourth Proportional to 330,162.88, 495,178.80 and 161,610.88

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Solution

The fourth proportional to 330,162.88, 495,178.80 and 161,610.88 is: 242,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,162.88 : 495,178.80 = 161,610.88 : x
  2. Step 2: Convert to fraction form
    330,162.88/495,178.80 = 161,610.88/x
  3. Step 3: Cross multiply
    330,162.88x = 495,178.80 × 161,610.88
  4. Step 4: Simplify right side
    330,162.88x = 80,026,281,625.34
  5. Step 5: Solve for x
    x = 80,026,281,625.34/330,162.88
  6. Step 6: Final answer
    x = 242,384.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.