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Finding the Fourth Proportional to 368,282.83, 508,225.42 and 207,137.89

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Solution

The fourth proportional to 368,282.83, 508,225.42 and 207,137.89 is: 285,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,282.83 : 508,225.42 = 207,137.89 : x
  2. Step 2: Convert to fraction form
    368,282.83/508,225.42 = 207,137.89/x
  3. Step 3: Cross multiply
    368,282.83x = 508,225.42 × 207,137.89
  4. Step 4: Simplify right side
    368,282.83x = 105,272,741,143.16
  5. Step 5: Solve for x
    x = 105,272,741,143.16/368,282.83
  6. Step 6: Final answer
    x = 285,847.54

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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.