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Finding the Fourth Proportional to 608,093.70, 912,140.55 and 164,861.70

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Solution

The fourth proportional to 608,093.70, 912,140.55 and 164,861.70 is: 247,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,093.70 : 912,140.55 = 164,861.70 : x
  2. Step 2: Convert to fraction form
    608,093.70/912,140.55 = 164,861.70/x
  3. Step 3: Cross multiply
    608,093.70x = 912,140.55 × 164,861.70
  4. Step 4: Simplify right side
    608,093.70x = 150,377,041,711.94
  5. Step 5: Solve for x
    x = 150,377,041,711.94/608,093.70
  6. Step 6: Final answer
    x = 247,292.55

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Similar ratio
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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.