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Finding the Fourth Proportional to 338,054.20, 466,524.78 and 187,151.20

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Solution

The fourth proportional to 338,054.20, 466,524.78 and 187,151.20 is: 258,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,054.20 : 466,524.78 = 187,151.20 : x
  2. Step 2: Convert to fraction form
    338,054.20/466,524.78 = 187,151.20/x
  3. Step 3: Cross multiply
    338,054.20x = 466,524.78 × 187,151.20
  4. Step 4: Simplify right side
    338,054.20x = 87,310,672,406.74
  5. Step 5: Solve for x
    x = 87,310,672,406.74/338,054.20
  6. Step 6: Final answer
    x = 258,274.18

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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.