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Finding the Fourth Proportional to 269,298.60, 404,166.60 and 260,550.60

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Solution

The fourth proportional to 269,298.60, 404,166.60 and 260,550.60 is: 391,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,298.60 : 404,166.60 = 260,550.60 : x
  2. Step 2: Convert to fraction form
    269,298.60/404,166.60 = 260,550.60/x
  3. Step 3: Cross multiply
    269,298.60x = 404,166.60 × 260,550.60
  4. Step 4: Simplify right side
    269,298.60x = 105,305,850,129.96
  5. Step 5: Solve for x
    x = 105,305,850,129.96/269,298.60
  6. Step 6: Final answer
    x = 391,037.50

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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.