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Finding the Fourth Proportional to 338,506.27, 467,190.11 and 216,051.55

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Solution

The fourth proportional to 338,506.27, 467,190.11 and 216,051.55 is: 298,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,506.27 : 467,190.11 = 216,051.55 : x
  2. Step 2: Convert to fraction form
    338,506.27/467,190.11 = 216,051.55/x
  3. Step 3: Cross multiply
    338,506.27x = 467,190.11 × 216,051.55
  4. Step 4: Simplify right side
    338,506.27x = 100,937,146,782.32
  5. Step 5: Solve for x
    x = 100,937,146,782.32/338,506.27
  6. Step 6: Final answer
    x = 298,183.98

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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.