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Finding the Fourth Proportional to 582,419.91, 874,028.86 and 203,340.69

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Solution

The fourth proportional to 582,419.91, 874,028.86 and 203,340.69 is: 305,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,419.91 : 874,028.86 = 203,340.69 : x
  2. Step 2: Convert to fraction form
    582,419.91/874,028.86 = 203,340.69/x
  3. Step 3: Cross multiply
    582,419.91x = 874,028.86 × 203,340.69
  4. Step 4: Simplify right side
    582,419.91x = 177,725,630,963.96
  5. Step 5: Solve for x
    x = 177,725,630,963.96/582,419.91
  6. Step 6: Final answer
    x = 305,150.34

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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.