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Finding the Fourth Proportional to 624,892.48, 862,347.32 and 338,406.01

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Solution

The fourth proportional to 624,892.48, 862,347.32 and 338,406.01 is: 466,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,892.48 : 862,347.32 = 338,406.01 : x
  2. Step 2: Convert to fraction form
    624,892.48/862,347.32 = 338,406.01/x
  3. Step 3: Cross multiply
    624,892.48x = 862,347.32 × 338,406.01
  4. Step 4: Simplify right side
    624,892.48x = 291,823,515,795.39
  5. Step 5: Solve for x
    x = 291,823,515,795.39/624,892.48
  6. Step 6: Final answer
    x = 466,997.96

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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.