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Finding the Fourth Proportional to 251,319.24, 376,978.62 and 64,330.44

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Solution

The fourth proportional to 251,319.24, 376,978.62 and 64,330.44 is: 96,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,319.24 : 376,978.62 = 64,330.44 : x
  2. Step 2: Convert to fraction form
    251,319.24/376,978.62 = 64,330.44/x
  3. Step 3: Cross multiply
    251,319.24x = 376,978.62 × 64,330.44
  4. Step 4: Simplify right side
    251,319.24x = 24,251,200,495.19
  5. Step 5: Solve for x
    x = 24,251,200,495.19/251,319.24
  6. Step 6: Final answer
    x = 96,495.60

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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.