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Finding the Fourth Proportional to 899,605.00, 1,240,651.36 and 746,400.64

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Solution

The fourth proportional to 899,605.00, 1,240,651.36 and 746,400.64 is: 1,029,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,605.00 : 1,240,651.36 = 746,400.64 : x
  2. Step 2: Convert to fraction form
    899,605.00/1,240,651.36 = 746,400.64/x
  3. Step 3: Cross multiply
    899,605.00x = 1,240,651.36 × 746,400.64
  4. Step 4: Simplify right side
    899,605.00x = 926,022,964,153.24
  5. Step 5: Solve for x
    x = 926,022,964,153.24/899,605.00
  6. Step 6: Final answer
    x = 1,029,366.18

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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.