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Finding the Fourth Proportional to 558,993.56, 835,915.14 and 415,171.17

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Solution

The fourth proportional to 558,993.56, 835,915.14 and 415,171.17 is: 620,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,993.56 : 835,915.14 = 415,171.17 : x
  2. Step 2: Convert to fraction form
    558,993.56/835,915.14 = 415,171.17/x
  3. Step 3: Cross multiply
    558,993.56x = 835,915.14 × 415,171.17
  4. Step 4: Simplify right side
    558,993.56x = 347,047,866,694.51
  5. Step 5: Solve for x
    x = 347,047,866,694.51/558,993.56
  6. Step 6: Final answer
    x = 620,844.13

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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.