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Finding the Fourth Proportional to 501,677.15, 752,630.63 and 217,415.43

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Solution

The fourth proportional to 501,677.15, 752,630.63 and 217,415.43 is: 326,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,677.15 : 752,630.63 = 217,415.43 : x
  2. Step 2: Convert to fraction form
    501,677.15/752,630.63 = 217,415.43/x
  3. Step 3: Cross multiply
    501,677.15x = 752,630.63 × 217,415.43
  4. Step 4: Simplify right side
    501,677.15x = 163,633,510,965.54
  5. Step 5: Solve for x
    x = 163,633,510,965.54/501,677.15
  6. Step 6: Final answer
    x = 326,172.94

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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.