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Finding the Fourth Proportional to 608,928.75, 913,396.92 and 159,645.57

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Solution

The fourth proportional to 608,928.75, 913,396.92 and 159,645.57 is: 239,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,928.75 : 913,396.92 = 159,645.57 : x
  2. Step 2: Convert to fraction form
    608,928.75/913,396.92 = 159,645.57/x
  3. Step 3: Cross multiply
    608,928.75x = 913,396.92 × 159,645.57
  4. Step 4: Simplify right side
    608,928.75x = 145,819,771,929.64
  5. Step 5: Solve for x
    x = 145,819,771,929.64/608,928.75
  6. Step 6: Final answer
    x = 239,469.35

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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.