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Finding the Fourth Proportional to 217,467.83, 326,123.48 and 75,274.47

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Solution

The fourth proportional to 217,467.83, 326,123.48 and 75,274.47 is: 112,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,467.83 : 326,123.48 = 75,274.47 : x
  2. Step 2: Convert to fraction form
    217,467.83/326,123.48 = 75,274.47/x
  3. Step 3: Cross multiply
    217,467.83x = 326,123.48 × 75,274.47
  4. Step 4: Simplify right side
    217,467.83x = 24,548,772,111.56
  5. Step 5: Solve for x
    x = 24,548,772,111.56/217,467.83
  6. Step 6: Final answer
    x = 112,884.61

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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.