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Finding the Fourth Proportional to 299,835.66, 451,776.45 and 247,695.70

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Solution

The fourth proportional to 299,835.66, 451,776.45 and 247,695.70 is: 373,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,835.66 : 451,776.45 = 247,695.70 : x
  2. Step 2: Convert to fraction form
    299,835.66/451,776.45 = 247,695.70/x
  3. Step 3: Cross multiply
    299,835.66x = 451,776.45 × 247,695.70
  4. Step 4: Simplify right side
    299,835.66x = 111,903,084,026.27
  5. Step 5: Solve for x
    x = 111,903,084,026.27/299,835.66
  6. Step 6: Final answer
    x = 373,214.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.