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Finding the Fourth Proportional to 372,293.87, 558,598.31 and 203,617.28

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Solution

The fourth proportional to 372,293.87, 558,598.31 and 203,617.28 is: 305,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,293.87 : 558,598.31 = 203,617.28 : x
  2. Step 2: Convert to fraction form
    372,293.87/558,598.31 = 203,617.28/x
  3. Step 3: Cross multiply
    372,293.87x = 558,598.31 × 203,617.28
  4. Step 4: Simplify right side
    372,293.87x = 113,740,264,683.72
  5. Step 5: Solve for x
    x = 113,740,264,683.72/372,293.87
  6. Step 6: Final answer
    x = 305,512.06

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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.