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Finding the Fourth Proportional to 269,769.28, 404,697.90 and 101,302.72

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Solution

The fourth proportional to 269,769.28, 404,697.90 and 101,302.72 is: 151,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,769.28 : 404,697.90 = 101,302.72 : x
  2. Step 2: Convert to fraction form
    269,769.28/404,697.90 = 101,302.72/x
  3. Step 3: Cross multiply
    269,769.28x = 404,697.90 × 101,302.72
  4. Step 4: Simplify right side
    269,769.28x = 40,996,998,048.29
  5. Step 5: Solve for x
    x = 40,996,998,048.29/269,769.28
  6. Step 6: Final answer
    x = 151,970.60

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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.