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Finding the Fourth Proportional to 328,265.28, 453,116.88 and 204,182.88

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Solution

The fourth proportional to 328,265.28, 453,116.88 and 204,182.88 is: 281,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,265.28 : 453,116.88 = 204,182.88 : x
  2. Step 2: Convert to fraction form
    328,265.28/453,116.88 = 204,182.88/x
  3. Step 3: Cross multiply
    328,265.28x = 453,116.88 × 204,182.88
  4. Step 4: Simplify right side
    328,265.28x = 92,518,709,535.01
  5. Step 5: Solve for x
    x = 92,518,709,535.01/328,265.28
  6. Step 6: Final answer
    x = 281,841.29

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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.