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Finding the Fourth Proportional to 658,091.88, 907,704.90 and 454,224.60

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Solution

The fourth proportional to 658,091.88, 907,704.90 and 454,224.60 is: 626,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,091.88 : 907,704.90 = 454,224.60 : x
  2. Step 2: Convert to fraction form
    658,091.88/907,704.90 = 454,224.60/x
  3. Step 3: Cross multiply
    658,091.88x = 907,704.90 × 454,224.60
  4. Step 4: Simplify right side
    658,091.88x = 412,301,895,120.54
  5. Step 5: Solve for x
    x = 412,301,895,120.54/658,091.88
  6. Step 6: Final answer
    x = 626,511.14

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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.