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Finding the Fourth Proportional to 670,809.36, 925,737.60 and 364,908

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Solution

The fourth proportional to 670,809.36, 925,737.60 and 364,908 is: 503,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,809.36 : 925,737.60 = 364,908 : x
  2. Step 2: Convert to fraction form
    670,809.36/925,737.60 = 364,908/x
  3. Step 3: Cross multiply
    670,809.36x = 925,737.60 × 364,908
  4. Step 4: Simplify right side
    670,809.36x = 337,809,056,140.80
  5. Step 5: Solve for x
    x = 337,809,056,140.80/670,809.36
  6. Step 6: Final answer
    x = 503,584.29

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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.