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Finding the Fourth Proportional to 331,583.95, 497,425.31 and 118,335.31

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Solution

The fourth proportional to 331,583.95, 497,425.31 and 118,335.31 is: 177,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,583.95 : 497,425.31 = 118,335.31 : x
  2. Step 2: Convert to fraction form
    331,583.95/497,425.31 = 118,335.31/x
  3. Step 3: Cross multiply
    331,583.95x = 497,425.31 × 118,335.31
  4. Step 4: Simplify right side
    331,583.95x = 58,862,977,669.02
  5. Step 5: Solve for x
    x = 58,862,977,669.02/331,583.95
  6. Step 6: Final answer
    x = 177,520.59

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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.