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Finding the Fourth Proportional to 807,606.64, 1,114,504.63 and 445,043.47

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Solution

The fourth proportional to 807,606.64, 1,114,504.63 and 445,043.47 is: 614,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,606.64 : 1,114,504.63 = 445,043.47 : x
  2. Step 2: Convert to fraction form
    807,606.64/1,114,504.63 = 445,043.47/x
  3. Step 3: Cross multiply
    807,606.64x = 1,114,504.63 × 445,043.47
  4. Step 4: Simplify right side
    807,606.64x = 496,003,007,866.27
  5. Step 5: Solve for x
    x = 496,003,007,866.27/807,606.64
  6. Step 6: Final answer
    x = 614,164.11

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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.