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Finding the Fourth Proportional to 338,627.24, 467,306.25 and 187,724.24

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Solution

The fourth proportional to 338,627.24, 467,306.25 and 187,724.24 is: 259,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,627.24 : 467,306.25 = 187,724.24 : x
  2. Step 2: Convert to fraction form
    338,627.24/467,306.25 = 187,724.24/x
  3. Step 3: Cross multiply
    338,627.24x = 467,306.25 × 187,724.24
  4. Step 4: Simplify right side
    338,627.24x = 87,724,710,628.50
  5. Step 5: Solve for x
    x = 87,724,710,628.50/338,627.24
  6. Step 6: Final answer
    x = 259,059.82

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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.