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Finding the Fourth Proportional to 269,473.80, 404,210.70 and 256,351.80

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Solution

The fourth proportional to 269,473.80, 404,210.70 and 256,351.80 is: 384,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,473.80 : 404,210.70 = 256,351.80 : x
  2. Step 2: Convert to fraction form
    269,473.80/404,210.70 = 256,351.80/x
  3. Step 3: Cross multiply
    269,473.80x = 404,210.70 × 256,351.80
  4. Step 4: Simplify right side
    269,473.80x = 103,620,140,524.26
  5. Step 5: Solve for x
    x = 103,620,140,524.26/269,473.80
  6. Step 6: Final answer
    x = 384,527.70

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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.