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Finding the Fourth Proportional to 701,760.96, 1,052,978.40 and 551,062.08

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Solution

The fourth proportional to 701,760.96, 1,052,978.40 and 551,062.08 is: 826,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,760.96 : 1,052,978.40 = 551,062.08 : x
  2. Step 2: Convert to fraction form
    701,760.96/1,052,978.40 = 551,062.08/x
  3. Step 3: Cross multiply
    701,760.96x = 1,052,978.40 × 551,062.08
  4. Step 4: Simplify right side
    701,760.96x = 580,256,467,299.07
  5. Step 5: Solve for x
    x = 580,256,467,299.07/701,760.96
  6. Step 6: Final answer
    x = 826,857.72

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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.