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Finding the Fourth Proportional to 424,299.33, 636,295.91 and 124,699.77

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Solution

The fourth proportional to 424,299.33, 636,295.91 and 124,699.77 is: 187,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,299.33 : 636,295.91 = 124,699.77 : x
  2. Step 2: Convert to fraction form
    424,299.33/636,295.91 = 124,699.77/x
  3. Step 3: Cross multiply
    424,299.33x = 636,295.91 × 124,699.77
  4. Step 4: Simplify right side
    424,299.33x = 79,345,953,005.44
  5. Step 5: Solve for x
    x = 79,345,953,005.44/424,299.33
  6. Step 6: Final answer
    x = 187,004.66

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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.