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Finding the Fourth Proportional to 240,460, 331,850.16 and 134,476

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Solution

The fourth proportional to 240,460, 331,850.16 and 134,476 is: 185,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,460 : 331,850.16 = 134,476 : x
  2. Step 2: Convert to fraction form
    240,460/331,850.16 = 134,476/x
  3. Step 3: Cross multiply
    240,460x = 331,850.16 × 134,476
  4. Step 4: Simplify right side
    240,460x = 44,625,882,116.16
  5. Step 5: Solve for x
    x = 44,625,882,116.16/240,460
  6. Step 6: Final answer
    x = 185,585.47

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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.