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Finding the Fourth Proportional to 220,408.62, 304,197.15 and 134,417.49

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Solution

The fourth proportional to 220,408.62, 304,197.15 and 134,417.49 is: 185,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,408.62 : 304,197.15 = 134,417.49 : x
  2. Step 2: Convert to fraction form
    220,408.62/304,197.15 = 134,417.49/x
  3. Step 3: Cross multiply
    220,408.62x = 304,197.15 × 134,417.49
  4. Step 4: Simplify right side
    220,408.62x = 40,889,416,696.07
  5. Step 5: Solve for x
    x = 40,889,416,696.07/220,408.62
  6. Step 6: Final answer
    x = 185,516.41

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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.