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Finding the Fourth Proportional to 267,673.36, 400,808.60 and 188,358.16

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Solution

The fourth proportional to 267,673.36, 400,808.60 and 188,358.16 is: 282,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,673.36 : 400,808.60 = 188,358.16 : x
  2. Step 2: Convert to fraction form
    267,673.36/400,808.60 = 188,358.16/x
  3. Step 3: Cross multiply
    267,673.36x = 400,808.60 × 188,358.16
  4. Step 4: Simplify right side
    267,673.36x = 75,495,570,408.18
  5. Step 5: Solve for x
    x = 75,495,570,408.18/267,673.36
  6. Step 6: Final answer
    x = 282,043.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.