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Finding the Fourth Proportional to 608,733.80, 913,230.30 and 188,052.20

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Solution

The fourth proportional to 608,733.80, 913,230.30 and 188,052.20 is: 282,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,733.80 : 913,230.30 = 188,052.20 : x
  2. Step 2: Convert to fraction form
    608,733.80/913,230.30 = 188,052.20/x
  3. Step 3: Cross multiply
    608,733.80x = 913,230.30 × 188,052.20
  4. Step 4: Simplify right side
    608,733.80x = 171,734,967,021.66
  5. Step 5: Solve for x
    x = 171,734,967,021.66/608,733.80
  6. Step 6: Final answer
    x = 282,118.34

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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.