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Finding the Fourth Proportional to 756,842.54, 1,132,997 and 729,925.84

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Solution

The fourth proportional to 756,842.54, 1,132,997 and 729,925.84 is: 1,092,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,842.54 : 1,132,997 = 729,925.84 : x
  2. Step 2: Convert to fraction form
    756,842.54/1,132,997 = 729,925.84/x
  3. Step 3: Cross multiply
    756,842.54x = 1,132,997 × 729,925.84
  4. Step 4: Simplify right side
    756,842.54x = 827,003,786,942.48
  5. Step 5: Solve for x
    x = 827,003,786,942.48/756,842.54
  6. Step 6: Final answer
    x = 1,092,702.57

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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.