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Finding the Fourth Proportional to 338,415.64, 467,225.92 and 217,766.59

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Solution

The fourth proportional to 338,415.64, 467,225.92 and 217,766.59 is: 300,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,415.64 : 467,225.92 = 217,766.59 : x
  2. Step 2: Convert to fraction form
    338,415.64/467,225.92 = 217,766.59/x
  3. Step 3: Cross multiply
    338,415.64x = 467,225.92 × 217,766.59
  4. Step 4: Simplify right side
    338,415.64x = 101,746,197,090.30
  5. Step 5: Solve for x
    x = 101,746,197,090.30/338,415.64
  6. Step 6: Final answer
    x = 300,654.54

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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.