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Finding the Fourth Proportional to 535,366.14, 738,803.30 and 331,376.46

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Solution

The fourth proportional to 535,366.14, 738,803.30 and 331,376.46 is: 457,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,366.14 : 738,803.30 = 331,376.46 : x
  2. Step 2: Convert to fraction form
    535,366.14/738,803.30 = 331,376.46/x
  3. Step 3: Cross multiply
    535,366.14x = 738,803.30 × 331,376.46
  4. Step 4: Simplify right side
    535,366.14x = 244,822,022,190.32
  5. Step 5: Solve for x
    x = 244,822,022,190.32/535,366.14
  6. Step 6: Final answer
    x = 457,298.29

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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.