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Finding the Fourth Proportional to 697,469.22, 962,259.72 and 455,891.04

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Solution

The fourth proportional to 697,469.22, 962,259.72 and 455,891.04 is: 628,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,469.22 : 962,259.72 = 455,891.04 : x
  2. Step 2: Convert to fraction form
    697,469.22/962,259.72 = 455,891.04/x
  3. Step 3: Cross multiply
    697,469.22x = 962,259.72 × 455,891.04
  4. Step 4: Simplify right side
    697,469.22x = 438,685,584,500.91
  5. Step 5: Solve for x
    x = 438,685,584,500.91/697,469.22
  6. Step 6: Final answer
    x = 628,967.66

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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.