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Finding the Fourth Proportional to 330,756.92, 456,389.20 and 194,817.92

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Solution

The fourth proportional to 330,756.92, 456,389.20 and 194,817.92 is: 268,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,756.92 : 456,389.20 = 194,817.92 : x
  2. Step 2: Convert to fraction form
    330,756.92/456,389.20 = 194,817.92/x
  3. Step 3: Cross multiply
    330,756.92x = 456,389.20 × 194,817.92
  4. Step 4: Simplify right side
    330,756.92x = 88,912,794,654.46
  5. Step 5: Solve for x
    x = 88,912,794,654.46/330,756.92
  6. Step 6: Final answer
    x = 268,816.13

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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.