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Finding the Fourth Proportional to 739,971.15, 1,109,956.73 and 739,971.15

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Solution

The fourth proportional to 739,971.15, 1,109,956.73 and 739,971.15 is: 1,109,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,971.15 : 1,109,956.73 = 739,971.15 : x
  2. Step 2: Convert to fraction form
    739,971.15/1,109,956.73 = 739,971.15/x
  3. Step 3: Cross multiply
    739,971.15x = 1,109,956.73 × 739,971.15
  4. Step 4: Simplify right side
    739,971.15x = 821,335,954,248.48
  5. Step 5: Solve for x
    x = 821,335,954,248.48/739,971.15
  6. Step 6: Final answer
    x = 1,109,956.73

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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.