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Finding the Fourth Proportional to 367,134.40, 550,010.40 and 189,035.20

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Solution

The fourth proportional to 367,134.40, 550,010.40 and 189,035.20 is: 283,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,134.40 : 550,010.40 = 189,035.20 : x
  2. Step 2: Convert to fraction form
    367,134.40/550,010.40 = 189,035.20/x
  3. Step 3: Cross multiply
    367,134.40x = 550,010.40 × 189,035.20
  4. Step 4: Simplify right side
    367,134.40x = 103,971,325,966.08
  5. Step 5: Solve for x
    x = 103,971,325,966.08/367,134.40
  6. Step 6: Final answer
    x = 283,196.91

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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.