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Finding the Fourth Proportional to 328,817.16, 453,765.78 and 177,910.92

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Solution

The fourth proportional to 328,817.16, 453,765.78 and 177,910.92 is: 245,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,817.16 : 453,765.78 = 177,910.92 : x
  2. Step 2: Convert to fraction form
    328,817.16/453,765.78 = 177,910.92/x
  3. Step 3: Cross multiply
    328,817.16x = 453,765.78 × 177,910.92
  4. Step 4: Simplify right side
    328,817.16x = 80,729,887,384.32
  5. Step 5: Solve for x
    x = 80,729,887,384.32/328,817.16
  6. Step 6: Final answer
    x = 245,516.04

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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.