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Finding the Fourth Proportional to 786,593.36, 1,181,071.56 and 450,014

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Solution

The fourth proportional to 786,593.36, 1,181,071.56 and 450,014 is: 675,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,593.36 : 1,181,071.56 = 450,014 : x
  2. Step 2: Convert to fraction form
    786,593.36/1,181,071.56 = 450,014/x
  3. Step 3: Cross multiply
    786,593.36x = 1,181,071.56 × 450,014
  4. Step 4: Simplify right side
    786,593.36x = 531,498,737,001.84
  5. Step 5: Solve for x
    x = 531,498,737,001.84/786,593.36
  6. Step 6: Final answer
    x = 675,696.95

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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.