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Finding the Fourth Proportional to 240,513.87, 360,659.61 and 135,332.83

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Solution

The fourth proportional to 240,513.87, 360,659.61 and 135,332.83 is: 202,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,513.87 : 360,659.61 = 135,332.83 : x
  2. Step 2: Convert to fraction form
    240,513.87/360,659.61 = 135,332.83/x
  3. Step 3: Cross multiply
    240,513.87x = 360,659.61 × 135,332.83
  4. Step 4: Simplify right side
    240,513.87x = 48,809,085,688.00
  5. Step 5: Solve for x
    x = 48,809,085,688.00/240,513.87
  6. Step 6: Final answer
    x = 202,936.68

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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.