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Finding the Fourth Proportional to 377,630.78, 566,391.49 and 111,378.11

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Solution

The fourth proportional to 377,630.78, 566,391.49 and 111,378.11 is: 167,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,630.78 : 566,391.49 = 111,378.11 : x
  2. Step 2: Convert to fraction form
    377,630.78/566,391.49 = 111,378.11/x
  3. Step 3: Cross multiply
    377,630.78x = 566,391.49 × 111,378.11
  4. Step 4: Simplify right side
    377,630.78x = 63,083,610,565.88
  5. Step 5: Solve for x
    x = 63,083,610,565.88/377,630.78
  6. Step 6: Final answer
    x = 167,051.03

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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.