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Finding the Fourth Proportional to 292,908.76, 404,231.52 and 165,596.20

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Solution

The fourth proportional to 292,908.76, 404,231.52 and 165,596.20 is: 228,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,908.76 : 404,231.52 = 165,596.20 : x
  2. Step 2: Convert to fraction form
    292,908.76/404,231.52 = 165,596.20/x
  3. Step 3: Cross multiply
    292,908.76x = 404,231.52 × 165,596.20
  4. Step 4: Simplify right side
    292,908.76x = 66,939,203,632.22
  5. Step 5: Solve for x
    x = 66,939,203,632.22/292,908.76
  6. Step 6: Final answer
    x = 228,532.61

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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.