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Finding the Fourth Proportional to 726,712.12, 1,096,894.15 and 726,712.12

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Solution

The fourth proportional to 726,712.12, 1,096,894.15 and 726,712.12 is: 1,096,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,712.12 : 1,096,894.15 = 726,712.12 : x
  2. Step 2: Convert to fraction form
    726,712.12/1,096,894.15 = 726,712.12/x
  3. Step 3: Cross multiply
    726,712.12x = 1,096,894.15 × 726,712.12
  4. Step 4: Simplify right side
    726,712.12x = 797,126,273,162.10
  5. Step 5: Solve for x
    x = 797,126,273,162.10/726,712.12
  6. Step 6: Final answer
    x = 1,096,894.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.