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Finding the Fourth Proportional to 368,207.44, 508,129.34 and 207,061.04

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Solution

The fourth proportional to 368,207.44, 508,129.34 and 207,061.04 is: 285,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,207.44 : 508,129.34 = 207,061.04 : x
  2. Step 2: Convert to fraction form
    368,207.44/508,129.34 = 207,061.04/x
  3. Step 3: Cross multiply
    368,207.44x = 508,129.34 × 207,061.04
  4. Step 4: Simplify right side
    368,207.44x = 105,213,789,829.93
  5. Step 5: Solve for x
    x = 105,213,789,829.93/368,207.44
  6. Step 6: Final answer
    x = 285,745.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.