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Finding the Fourth Proportional to 311,087.30, 466,717.35 and 133,679.30

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Solution

The fourth proportional to 311,087.30, 466,717.35 and 133,679.30 is: 200,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,087.30 : 466,717.35 = 133,679.30 : x
  2. Step 2: Convert to fraction form
    311,087.30/466,717.35 = 133,679.30/x
  3. Step 3: Cross multiply
    311,087.30x = 466,717.35 × 133,679.30
  4. Step 4: Simplify right side
    311,087.30x = 62,390,448,645.86
  5. Step 5: Solve for x
    x = 62,390,448,645.86/311,087.30
  6. Step 6: Final answer
    x = 200,556.08

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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.