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Finding the Fourth Proportional to 625,250.72, 937,873.64 and 151,937.48

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Solution

The fourth proportional to 625,250.72, 937,873.64 and 151,937.48 is: 227,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,250.72 : 937,873.64 = 151,937.48 : x
  2. Step 2: Convert to fraction form
    625,250.72/937,873.64 = 151,937.48/x
  3. Step 3: Cross multiply
    625,250.72x = 937,873.64 × 151,937.48
  4. Step 4: Simplify right side
    625,250.72x = 142,498,157,420.03
  5. Step 5: Solve for x
    x = 142,498,157,420.03/625,250.72
  6. Step 6: Final answer
    x = 227,905.63

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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.