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Finding the Fourth Proportional to 608,273.92, 912,352.24 and 187,436.80

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Solution

The fourth proportional to 608,273.92, 912,352.24 and 187,436.80 is: 281,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,273.92 : 912,352.24 = 187,436.80 : x
  2. Step 2: Convert to fraction form
    608,273.92/912,352.24 = 187,436.80/x
  3. Step 3: Cross multiply
    608,273.92x = 912,352.24 × 187,436.80
  4. Step 4: Simplify right side
    608,273.92x = 171,008,384,338.43
  5. Step 5: Solve for x
    x = 171,008,384,338.43/608,273.92
  6. Step 6: Final answer
    x = 281,137.13

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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.