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Finding the Fourth Proportional to 265,562.84, 366,942.78 and 212,287.52

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Solution

The fourth proportional to 265,562.84, 366,942.78 and 212,287.52 is: 293,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,562.84 : 366,942.78 = 212,287.52 : x
  2. Step 2: Convert to fraction form
    265,562.84/366,942.78 = 212,287.52/x
  3. Step 3: Cross multiply
    265,562.84x = 366,942.78 × 212,287.52
  4. Step 4: Simplify right side
    265,562.84x = 77,897,372,748.11
  5. Step 5: Solve for x
    x = 77,897,372,748.11/265,562.84
  6. Step 6: Final answer
    x = 293,329.34

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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.