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Finding the Fourth Proportional to 265,272.39, 397,908.61 and 65,596.55

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Solution

The fourth proportional to 265,272.39, 397,908.61 and 65,596.55 is: 98,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,272.39 : 397,908.61 = 65,596.55 : x
  2. Step 2: Convert to fraction form
    265,272.39/397,908.61 = 65,596.55/x
  3. Step 3: Cross multiply
    265,272.39x = 397,908.61 × 65,596.55
  4. Step 4: Simplify right side
    265,272.39x = 26,101,432,031.30
  5. Step 5: Solve for x
    x = 26,101,432,031.30/265,272.39
  6. Step 6: Final answer
    x = 98,394.83

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1.5x scale

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.