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Finding the Fourth Proportional to 272,471.04, 408,473.28 and 178,770.24

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Solution

The fourth proportional to 272,471.04, 408,473.28 and 178,770.24 is: 268,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,471.04 : 408,473.28 = 178,770.24 : x
  2. Step 2: Convert to fraction form
    272,471.04/408,473.28 = 178,770.24/x
  3. Step 3: Cross multiply
    272,471.04x = 408,473.28 × 178,770.24
  4. Step 4: Simplify right side
    272,471.04x = 73,022,866,299.19
  5. Step 5: Solve for x
    x = 73,022,866,299.19/272,471.04
  6. Step 6: Final answer
    x = 268,002.30

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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.