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Finding the Fourth Proportional to 323,065.34, 484,631.15 and 123,553.53

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Solution

The fourth proportional to 323,065.34, 484,631.15 and 123,553.53 is: 185,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,065.34 : 484,631.15 = 123,553.53 : x
  2. Step 2: Convert to fraction form
    323,065.34/484,631.15 = 123,553.53/x
  3. Step 3: Cross multiply
    323,065.34x = 484,631.15 × 123,553.53
  4. Step 4: Simplify right side
    323,065.34x = 59,877,889,330.46
  5. Step 5: Solve for x
    x = 59,877,889,330.46/323,065.34
  6. Step 6: Final answer
    x = 185,342.97

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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.