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Finding the Fourth Proportional to 296,391.27, 444,587.22 and 138,730.44

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Solution

The fourth proportional to 296,391.27, 444,587.22 and 138,730.44 is: 208,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,391.27 : 444,587.22 = 138,730.44 : x
  2. Step 2: Convert to fraction form
    296,391.27/444,587.22 = 138,730.44/x
  3. Step 3: Cross multiply
    296,391.27x = 444,587.22 × 138,730.44
  4. Step 4: Simplify right side
    296,391.27x = 61,677,780,648.98
  5. Step 5: Solve for x
    x = 61,677,780,648.98/296,391.27
  6. Step 6: Final answer
    x = 208,095.81

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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.