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Finding the Fourth Proportional to 589,049.82, 812,800.17 and 330,877.31

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Solution

The fourth proportional to 589,049.82, 812,800.17 and 330,877.31 is: 456,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,049.82 : 812,800.17 = 330,877.31 : x
  2. Step 2: Convert to fraction form
    589,049.82/812,800.17 = 330,877.31/x
  3. Step 3: Cross multiply
    589,049.82x = 812,800.17 × 330,877.31
  4. Step 4: Simplify right side
    589,049.82x = 268,937,129,753.14
  5. Step 5: Solve for x
    x = 268,937,129,753.14/589,049.82
  6. Step 6: Final answer
    x = 456,560.92

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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.