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Finding the Fourth Proportional to 338,611.19, 467,188.89 and 266,768.24

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Solution

The fourth proportional to 338,611.19, 467,188.89 and 266,768.24 is: 368,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,611.19 : 467,188.89 = 266,768.24 : x
  2. Step 2: Convert to fraction form
    338,611.19/467,188.89 = 266,768.24/x
  3. Step 3: Cross multiply
    338,611.19x = 467,188.89 × 266,768.24
  4. Step 4: Simplify right side
    338,611.19x = 124,631,155,596.91
  5. Step 5: Solve for x
    x = 124,631,155,596.91/338,611.19
  6. Step 6: Final answer
    x = 368,065.68

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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.