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Finding the Fourth Proportional to 269,550.60, 404,325.90 and 69,869.40

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Solution

The fourth proportional to 269,550.60, 404,325.90 and 69,869.40 is: 104,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,550.60 : 404,325.90 = 69,869.40 : x
  2. Step 2: Convert to fraction form
    269,550.60/404,325.90 = 69,869.40/x
  3. Step 3: Cross multiply
    269,550.60x = 404,325.90 × 69,869.40
  4. Step 4: Simplify right side
    269,550.60x = 28,250,008,037.46
  5. Step 5: Solve for x
    x = 28,250,008,037.46/269,550.60
  6. Step 6: Final answer
    x = 104,804.10

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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.