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Finding the Fourth Proportional to 608,814.80, 913,351.80 and 188,133.20

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Solution

The fourth proportional to 608,814.80, 913,351.80 and 188,133.20 is: 282,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,814.80 : 913,351.80 = 188,133.20 : x
  2. Step 2: Convert to fraction form
    608,814.80/913,351.80 = 188,133.20/x
  3. Step 3: Cross multiply
    608,814.80x = 913,351.80 × 188,133.20
  4. Step 4: Simplify right side
    608,814.80x = 171,831,796,859.76
  5. Step 5: Solve for x
    x = 171,831,796,859.76/608,814.80
  6. Step 6: Final answer
    x = 282,239.85

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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.