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Finding the Fourth Proportional to 265,904.43, 366,934.62 and 145,044.73

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Solution

The fourth proportional to 265,904.43, 366,934.62 and 145,044.73 is: 200,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,904.43 : 366,934.62 = 145,044.73 : x
  2. Step 2: Convert to fraction form
    265,904.43/366,934.62 = 145,044.73/x
  3. Step 3: Cross multiply
    265,904.43x = 366,934.62 × 145,044.73
  4. Step 4: Simplify right side
    265,904.43x = 53,221,932,885.55
  5. Step 5: Solve for x
    x = 53,221,932,885.55/265,904.43
  6. Step 6: Final answer
    x = 200,154.37

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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.