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Finding the Fourth Proportional to 692,603.52, 955,813.44 and 424,179.84

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Solution

The fourth proportional to 692,603.52, 955,813.44 and 424,179.84 is: 585,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,603.52 : 955,813.44 = 424,179.84 : x
  2. Step 2: Convert to fraction form
    692,603.52/955,813.44 = 424,179.84/x
  3. Step 3: Cross multiply
    692,603.52x = 955,813.44 × 424,179.84
  4. Step 4: Simplify right side
    692,603.52x = 405,436,792,049.05
  5. Step 5: Solve for x
    x = 405,436,792,049.05/692,603.52
  6. Step 6: Final answer
    x = 585,380.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.