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Finding the Fourth Proportional to 868,241.52, 1,294,663.14 and 810,329.76

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Solution

The fourth proportional to 868,241.52, 1,294,663.14 and 810,329.76 is: 1,208,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,241.52 : 1,294,663.14 = 810,329.76 : x
  2. Step 2: Convert to fraction form
    868,241.52/1,294,663.14 = 810,329.76/x
  3. Step 3: Cross multiply
    868,241.52x = 1,294,663.14 × 810,329.76
  4. Step 4: Simplify right side
    868,241.52x = 1,049,104,071,517.05
  5. Step 5: Solve for x
    x = 1,049,104,071,517.05/868,241.52
  6. Step 6: Final answer
    x = 1,208,309.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.