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Finding the Fourth Proportional to 369,669.96, 510,143.94 and 208,524.51

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Solution

The fourth proportional to 369,669.96, 510,143.94 and 208,524.51 is: 287,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,669.96 : 510,143.94 = 208,524.51 : x
  2. Step 2: Convert to fraction form
    369,669.96/510,143.94 = 208,524.51/x
  3. Step 3: Cross multiply
    369,669.96x = 510,143.94 × 208,524.51
  4. Step 4: Simplify right side
    369,669.96x = 106,377,515,117.97
  5. Step 5: Solve for x
    x = 106,377,515,117.97/369,669.96
  6. Step 6: Final answer
    x = 287,763.48

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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.