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Finding the Fourth Proportional to 229,886.11, 316,844.24 and 216,600.09

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Solution

The fourth proportional to 229,886.11, 316,844.24 and 216,600.09 is: 298,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,886.11 : 316,844.24 = 216,600.09 : x
  2. Step 2: Convert to fraction form
    229,886.11/316,844.24 = 216,600.09/x
  3. Step 3: Cross multiply
    229,886.11x = 316,844.24 × 216,600.09
  4. Step 4: Simplify right side
    229,886.11x = 68,628,488,628.82
  5. Step 5: Solve for x
    x = 68,628,488,628.82/229,886.11
  6. Step 6: Final answer
    x = 298,532.56

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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.