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Finding the Fourth Proportional to 701,296.80, 1,049,320.80 and 465,100.80

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Solution

The fourth proportional to 701,296.80, 1,049,320.80 and 465,100.80 is: 695,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,296.80 : 1,049,320.80 = 465,100.80 : x
  2. Step 2: Convert to fraction form
    701,296.80/1,049,320.80 = 465,100.80/x
  3. Step 3: Cross multiply
    701,296.80x = 1,049,320.80 × 465,100.80
  4. Step 4: Simplify right side
    701,296.80x = 488,039,943,536.64
  5. Step 5: Solve for x
    x = 488,039,943,536.64/701,296.80
  6. Step 6: Final answer
    x = 695,910.70

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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.