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Finding the Fourth Proportional to 424,448.33, 636,603.30 and 124,858.85

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Solution

The fourth proportional to 424,448.33, 636,603.30 and 124,858.85 is: 187,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,448.33 : 636,603.30 = 124,858.85 : x
  2. Step 2: Convert to fraction form
    424,448.33/636,603.30 = 124,858.85/x
  3. Step 3: Cross multiply
    424,448.33x = 636,603.30 × 124,858.85
  4. Step 4: Simplify right side
    424,448.33x = 79,485,552,761.19
  5. Step 5: Solve for x
    x = 79,485,552,761.19/424,448.33
  6. Step 6: Final answer
    x = 187,267.91

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1.5x scale

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.