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Finding the Fourth Proportional to 538,772.31, 808,129.31 and 164,795.31

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Solution

The fourth proportional to 538,772.31, 808,129.31 and 164,795.31 is: 247,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,772.31 : 808,129.31 = 164,795.31 : x
  2. Step 2: Convert to fraction form
    538,772.31/808,129.31 = 164,795.31/x
  3. Step 3: Cross multiply
    538,772.31x = 808,129.31 × 164,795.31
  4. Step 4: Simplify right side
    538,772.31x = 133,175,919,337.56
  5. Step 5: Solve for x
    x = 133,175,919,337.56/538,772.31
  6. Step 6: Final answer
    x = 247,184.05

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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.