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Finding the Fourth Proportional to 228,294.10, 314,853.78 and 171,067.60

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Solution

The fourth proportional to 228,294.10, 314,853.78 and 171,067.60 is: 235,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,294.10 : 314,853.78 = 171,067.60 : x
  2. Step 2: Convert to fraction form
    228,294.10/314,853.78 = 171,067.60/x
  3. Step 3: Cross multiply
    228,294.10x = 314,853.78 × 171,067.60
  4. Step 4: Simplify right side
    228,294.10x = 53,861,280,495.53
  5. Step 5: Solve for x
    x = 53,861,280,495.53/228,294.10
  6. Step 6: Final answer
    x = 235,929.36

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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.