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Finding the Fourth Proportional to 716,712.78, 1,073,808.03 and 674,044.41

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Solution

The fourth proportional to 716,712.78, 1,073,808.03 and 674,044.41 is: 1,009,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,712.78 : 1,073,808.03 = 674,044.41 : x
  2. Step 2: Convert to fraction form
    716,712.78/1,073,808.03 = 674,044.41/x
  3. Step 3: Cross multiply
    716,712.78x = 1,073,808.03 × 674,044.41
  4. Step 4: Simplify right side
    716,712.78x = 723,794,306,589.06
  5. Step 5: Solve for x
    x = 723,794,306,589.06/716,712.78
  6. Step 6: Final answer
    x = 1,009,880.56

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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.