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Finding the Fourth Proportional to 619,863.14, 929,433.44 and 240,340.50

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Solution

The fourth proportional to 619,863.14, 929,433.44 and 240,340.50 is: 360,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,863.14 : 929,433.44 = 240,340.50 : x
  2. Step 2: Convert to fraction form
    619,863.14/929,433.44 = 240,340.50/x
  3. Step 3: Cross multiply
    619,863.14x = 929,433.44 × 240,340.50
  4. Step 4: Simplify right side
    619,863.14x = 223,380,498,287.17
  5. Step 5: Solve for x
    x = 223,380,498,287.17/619,863.14
  6. Step 6: Final answer
    x = 360,370.67

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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.