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Finding the Fourth Proportional to 370,447.38, 555,606.36 and 104,144.67

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Solution

The fourth proportional to 370,447.38, 555,606.36 and 104,144.67 is: 156,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,447.38 : 555,606.36 = 104,144.67 : x
  2. Step 2: Convert to fraction form
    370,447.38/555,606.36 = 104,144.67/x
  3. Step 3: Cross multiply
    370,447.38x = 555,606.36 × 104,144.67
  4. Step 4: Simplify right side
    370,447.38x = 57,863,441,012.10
  5. Step 5: Solve for x
    x = 57,863,441,012.10/370,447.38
  6. Step 6: Final answer
    x = 156,198.81

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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.