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Finding the Fourth Proportional to 608,871.78, 913,200.74 and 188,151.30

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Solution

The fourth proportional to 608,871.78, 913,200.74 and 188,151.30 is: 282,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,871.78 : 913,200.74 = 188,151.30 : x
  2. Step 2: Convert to fraction form
    608,871.78/913,200.74 = 188,151.30/x
  3. Step 3: Cross multiply
    608,871.78x = 913,200.74 × 188,151.30
  4. Step 4: Simplify right side
    608,871.78x = 171,819,906,391.96
  5. Step 5: Solve for x
    x = 171,819,906,391.96/608,871.78
  6. Step 6: Final answer
    x = 282,193.91

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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.