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Finding the Fourth Proportional to 552,228.60, 827,759.70 and 315,060.60

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Solution

The fourth proportional to 552,228.60, 827,759.70 and 315,060.60 is: 472,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,228.60 : 827,759.70 = 315,060.60 : x
  2. Step 2: Convert to fraction form
    552,228.60/827,759.70 = 315,060.60/x
  3. Step 3: Cross multiply
    552,228.60x = 827,759.70 × 315,060.60
  4. Step 4: Simplify right side
    552,228.60x = 260,794,467,737.82
  5. Step 5: Solve for x
    x = 260,794,467,737.82/552,228.60
  6. Step 6: Final answer
    x = 472,258.17

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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.