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Finding the Fourth Proportional to 378,184.80, 567,277.20 and 238,216.80

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Solution

The fourth proportional to 378,184.80, 567,277.20 and 238,216.80 is: 357,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,184.80 : 567,277.20 = 238,216.80 : x
  2. Step 2: Convert to fraction form
    378,184.80/567,277.20 = 238,216.80/x
  3. Step 3: Cross multiply
    378,184.80x = 567,277.20 × 238,216.80
  4. Step 4: Simplify right side
    378,184.80x = 135,134,959,296.96
  5. Step 5: Solve for x
    x = 135,134,959,296.96/378,184.80
  6. Step 6: Final answer
    x = 357,325.20

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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.