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Finding the Fourth Proportional to 424,998, 637,606.44 and 158,760.36

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Solution

The fourth proportional to 424,998, 637,606.44 and 158,760.36 is: 238,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,998 : 637,606.44 = 158,760.36 : x
  2. Step 2: Convert to fraction form
    424,998/637,606.44 = 158,760.36/x
  3. Step 3: Cross multiply
    424,998x = 637,606.44 × 158,760.36
  4. Step 4: Simplify right side
    424,998x = 101,226,627,952.72
  5. Step 5: Solve for x
    x = 101,226,627,952.72/424,998
  6. Step 6: Final answer
    x = 238,181.42

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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.