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Finding the Fourth Proportional to 338,937.68, 467,713.85 and 193,759.16

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Solution

The fourth proportional to 338,937.68, 467,713.85 and 193,759.16 is: 267,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,937.68 : 467,713.85 = 193,759.16 : x
  2. Step 2: Convert to fraction form
    338,937.68/467,713.85 = 193,759.16/x
  3. Step 3: Cross multiply
    338,937.68x = 467,713.85 × 193,759.16
  4. Step 4: Simplify right side
    338,937.68x = 90,623,839,389.00
  5. Step 5: Solve for x
    x = 90,623,839,389.00/338,937.68
  6. Step 6: Final answer
    x = 267,376.11

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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.