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Finding the Fourth Proportional to 418,258.52, 577,195.62 and 227,272.58

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Solution

The fourth proportional to 418,258.52, 577,195.62 and 227,272.58 is: 313,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,258.52 : 577,195.62 = 227,272.58 : x
  2. Step 2: Convert to fraction form
    418,258.52/577,195.62 = 227,272.58/x
  3. Step 3: Cross multiply
    418,258.52x = 577,195.62 × 227,272.58
  4. Step 4: Simplify right side
    418,258.52x = 131,180,737,722.10
  5. Step 5: Solve for x
    x = 131,180,737,722.10/418,258.52
  6. Step 6: Final answer
    x = 313,635.54

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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.