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Finding the Fourth Proportional to 624,917, 937,181.91 and 225,506

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Solution

The fourth proportional to 624,917, 937,181.91 and 225,506 is: 338,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,917 : 937,181.91 = 225,506 : x
  2. Step 2: Convert to fraction form
    624,917/937,181.91 = 225,506/x
  3. Step 3: Cross multiply
    624,917x = 937,181.91 × 225,506
  4. Step 4: Simplify right side
    624,917x = 211,340,143,796.46
  5. Step 5: Solve for x
    x = 211,340,143,796.46/624,917
  6. Step 6: Final answer
    x = 338,189.14

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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.