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Finding the Fourth Proportional to 604,313,309.70, 906,469,964.55 and 532,887,639.30

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Solution

The fourth proportional to 604,313,309.70, 906,469,964.55 and 532,887,639.30 is: 799,331,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,313,309.70 : 906,469,964.55 = 532,887,639.30 : x
  2. Step 2: Convert to fraction form
    604,313,309.70/906,469,964.55 = 532,887,639.30/x
  3. Step 3: Cross multiply
    604,313,309.70x = 906,469,964.55 × 532,887,639.30
  4. Step 4: Simplify right side
    604,313,309.70x = 483,046,639,505,404,160
  5. Step 5: Solve for x
    x = 483,046,639,505,404,160/604,313,309.70
  6. Step 6: Final answer
    x = 799,331,458.95

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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.