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Finding the Fourth Proportional to 261,169.88, 360,227.72 and 239,727.69

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Solution

The fourth proportional to 261,169.88, 360,227.72 and 239,727.69 is: 330,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,169.88 : 360,227.72 = 239,727.69 : x
  2. Step 2: Convert to fraction form
    261,169.88/360,227.72 = 239,727.69/x
  3. Step 3: Cross multiply
    261,169.88x = 360,227.72 × 239,727.69
  4. Step 4: Simplify right side
    261,169.88x = 86,356,559,788.89
  5. Step 5: Solve for x
    x = 86,356,559,788.89/261,169.88
  6. Step 6: Final answer
    x = 330,652.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.