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Finding the Fourth Proportional to 655,267.68, 903,922.56 and 450,963.90

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Solution

The fourth proportional to 655,267.68, 903,922.56 and 450,963.90 is: 622,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,267.68 : 903,922.56 = 450,963.90 : x
  2. Step 2: Convert to fraction form
    655,267.68/903,922.56 = 450,963.90/x
  3. Step 3: Cross multiply
    655,267.68x = 903,922.56 × 450,963.90
  4. Step 4: Simplify right side
    655,267.68x = 407,636,442,955.58
  5. Step 5: Solve for x
    x = 407,636,442,955.58/655,267.68
  6. Step 6: Final answer
    x = 622,091.48

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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.