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Finding the Fourth Proportional to 602,995.23, 832,134.87 and 331,080.66

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Solution

The fourth proportional to 602,995.23, 832,134.87 and 331,080.66 is: 456,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,995.23 : 832,134.87 = 331,080.66 : x
  2. Step 2: Convert to fraction form
    602,995.23/832,134.87 = 331,080.66/x
  3. Step 3: Cross multiply
    602,995.23x = 832,134.87 × 331,080.66
  4. Step 4: Simplify right side
    602,995.23x = 275,503,761,968.61
  5. Step 5: Solve for x
    x = 275,503,761,968.61/602,995.23
  6. Step 6: Final answer
    x = 456,892.11

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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.