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Finding the Fourth Proportional to 608,933.88, 913,488.24 and 188,242.56

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Solution

The fourth proportional to 608,933.88, 913,488.24 and 188,242.56 is: 282,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,933.88 : 913,488.24 = 188,242.56 : x
  2. Step 2: Convert to fraction form
    608,933.88/913,488.24 = 188,242.56/x
  3. Step 3: Cross multiply
    608,933.88x = 913,488.24 × 188,242.56
  4. Step 4: Simplify right side
    608,933.88x = 171,957,364,827.49
  5. Step 5: Solve for x
    x = 171,957,364,827.49/608,933.88
  6. Step 6: Final answer
    x = 282,390.86

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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.