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Finding the Fourth Proportional to 695,997.30, 960,939 and 534,563.76

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Solution

The fourth proportional to 695,997.30, 960,939 and 534,563.76 is: 738,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,997.30 : 960,939 = 534,563.76 : x
  2. Step 2: Convert to fraction form
    695,997.30/960,939 = 534,563.76/x
  3. Step 3: Cross multiply
    695,997.30x = 960,939 × 534,563.76
  4. Step 4: Simplify right side
    695,997.30x = 513,683,164,970.64
  5. Step 5: Solve for x
    x = 513,683,164,970.64/695,997.30
  6. Step 6: Final answer
    x = 738,053.39

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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.