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Finding the Fourth Proportional to 424,844.22, 637,709.18 and 188,352.98

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Solution

The fourth proportional to 424,844.22, 637,709.18 and 188,352.98 is: 282,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,844.22 : 637,709.18 = 188,352.98 : x
  2. Step 2: Convert to fraction form
    424,844.22/637,709.18 = 188,352.98/x
  3. Step 3: Cross multiply
    424,844.22x = 637,709.18 × 188,352.98
  4. Step 4: Simplify right side
    424,844.22x = 120,114,424,426.36
  5. Step 5: Solve for x
    x = 120,114,424,426.36/424,844.22
  6. Step 6: Final answer
    x = 282,725.81

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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.