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Finding the Fourth Proportional to 216,466.74, 298,818.95 and 165,481.62

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Solution

The fourth proportional to 216,466.74, 298,818.95 and 165,481.62 is: 228,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,466.74 : 298,818.95 = 165,481.62 : x
  2. Step 2: Convert to fraction form
    216,466.74/298,818.95 = 165,481.62/x
  3. Step 3: Cross multiply
    216,466.74x = 298,818.95 × 165,481.62
  4. Step 4: Simplify right side
    216,466.74x = 49,449,043,105.29
  5. Step 5: Solve for x
    x = 49,449,043,105.29/216,466.74
  6. Step 6: Final answer
    x = 228,437.14

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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.