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Finding the Fourth Proportional to 378,025.03, 566,840.62 and 178,291.77

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Solution

The fourth proportional to 378,025.03, 566,840.62 and 178,291.77 is: 267,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,025.03 : 566,840.62 = 178,291.77 : x
  2. Step 2: Convert to fraction form
    378,025.03/566,840.62 = 178,291.77/x
  3. Step 3: Cross multiply
    378,025.03x = 566,840.62 × 178,291.77
  4. Step 4: Simplify right side
    378,025.03x = 101,063,017,447.70
  5. Step 5: Solve for x
    x = 101,063,017,447.70/378,025.03
  6. Step 6: Final answer
    x = 267,344.78

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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.