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Finding the Fourth Proportional to 370,627.75, 555,982.49 and 117,849.11

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Solution

The fourth proportional to 370,627.75, 555,982.49 and 117,849.11 is: 176,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,627.75 : 555,982.49 = 117,849.11 : x
  2. Step 2: Convert to fraction form
    370,627.75/555,982.49 = 117,849.11/x
  3. Step 3: Cross multiply
    370,627.75x = 555,982.49 × 117,849.11
  4. Step 4: Simplify right side
    370,627.75x = 65,522,041,622.08
  5. Step 5: Solve for x
    x = 65,522,041,622.08/370,627.75
  6. Step 6: Final answer
    x = 176,786.66

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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.