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Finding the Fourth Proportional to 604,902.88, 906,721.32 and 225,671.02

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Solution

The fourth proportional to 604,902.88, 906,721.32 and 225,671.02 is: 338,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,902.88 : 906,721.32 = 225,671.02 : x
  2. Step 2: Convert to fraction form
    604,902.88/906,721.32 = 225,671.02/x
  3. Step 3: Cross multiply
    604,902.88x = 906,721.32 × 225,671.02
  4. Step 4: Simplify right side
    604,902.88x = 204,620,725,140.15
  5. Step 5: Solve for x
    x = 204,620,725,140.15/604,902.88
  6. Step 6: Final answer
    x = 338,270.38

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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.