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Finding the Fourth Proportional to 373,808.57, 560,720.81 and 133,938.14

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Solution

The fourth proportional to 373,808.57, 560,720.81 and 133,938.14 is: 200,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,808.57 : 560,720.81 = 133,938.14 : x
  2. Step 2: Convert to fraction form
    373,808.57/560,720.81 = 133,938.14/x
  3. Step 3: Cross multiply
    373,808.57x = 560,720.81 × 133,938.14
  4. Step 4: Simplify right side
    373,808.57x = 75,101,899,881.93
  5. Step 5: Solve for x
    x = 75,101,899,881.93/373,808.57
  6. Step 6: Final answer
    x = 200,910.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.