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Finding the Fourth Proportional to 216,408.59, 326,090.04 and 177,829.91

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Solution

The fourth proportional to 216,408.59, 326,090.04 and 177,829.91 is: 267,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,408.59 : 326,090.04 = 177,829.91 : x
  2. Step 2: Convert to fraction form
    216,408.59/326,090.04 = 177,829.91/x
  3. Step 3: Cross multiply
    216,408.59x = 326,090.04 × 177,829.91
  4. Step 4: Simplify right side
    216,408.59x = 57,988,561,575.95
  5. Step 5: Solve for x
    x = 57,988,561,575.95/216,408.59
  6. Step 6: Final answer
    x = 267,958.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.