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Finding the Fourth Proportional to 265,648.80, 367,062 and 212,373.60

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Solution

The fourth proportional to 265,648.80, 367,062 and 212,373.60 is: 293,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,648.80 : 367,062 = 212,373.60 : x
  2. Step 2: Convert to fraction form
    265,648.80/367,062 = 212,373.60/x
  3. Step 3: Cross multiply
    265,648.80x = 367,062 × 212,373.60
  4. Step 4: Simplify right side
    265,648.80x = 77,954,278,363.20
  5. Step 5: Solve for x
    x = 77,954,278,363.20/265,648.80
  6. Step 6: Final answer
    x = 293,448.64

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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.