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Finding the Fourth Proportional to 630,546.16, 945,688 and 251,232.88

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Solution

The fourth proportional to 630,546.16, 945,688 and 251,232.88 is: 376,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,546.16 : 945,688 = 251,232.88 : x
  2. Step 2: Convert to fraction form
    630,546.16/945,688 = 251,232.88/x
  3. Step 3: Cross multiply
    630,546.16x = 945,688 × 251,232.88
  4. Step 4: Simplify right side
    630,546.16x = 237,587,919,821.44
  5. Step 5: Solve for x
    x = 237,587,919,821.44/630,546.16
  6. Step 6: Final answer
    x = 376,797.03

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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.