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Finding the Fourth Proportional to 707,837.76, 977,029.56 and 481,614.48

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Solution

The fourth proportional to 707,837.76, 977,029.56 and 481,614.48 is: 664,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,837.76 : 977,029.56 = 481,614.48 : x
  2. Step 2: Convert to fraction form
    707,837.76/977,029.56 = 481,614.48/x
  3. Step 3: Cross multiply
    707,837.76x = 977,029.56 × 481,614.48
  4. Step 4: Simplify right side
    707,837.76x = 470,551,583,484.03
  5. Step 5: Solve for x
    x = 470,551,583,484.03/707,837.76
  6. Step 6: Final answer
    x = 664,773.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.