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Finding the Fourth Proportional to 655,267.43, 903,922.23 and 450,963.65

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Solution

The fourth proportional to 655,267.43, 903,922.23 and 450,963.65 is: 622,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,267.43 : 903,922.23 = 450,963.65 : x
  2. Step 2: Convert to fraction form
    655,267.43/903,922.23 = 450,963.65/x
  3. Step 3: Cross multiply
    655,267.43x = 903,922.23 × 450,963.65
  4. Step 4: Simplify right side
    655,267.43x = 407,636,063,637.33
  5. Step 5: Solve for x
    x = 407,636,063,637.33/655,267.43
  6. Step 6: Final answer
    x = 622,091.15

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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.