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Finding the Fourth Proportional to 533,134.91, 735,731.12 and 303,688.91

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Solution

The fourth proportional to 533,134.91, 735,731.12 and 303,688.91 is: 419,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,134.91 : 735,731.12 = 303,688.91 : x
  2. Step 2: Convert to fraction form
    533,134.91/735,731.12 = 303,688.91/x
  3. Step 3: Cross multiply
    533,134.91x = 735,731.12 × 303,688.91
  4. Step 4: Simplify right side
    533,134.91x = 223,433,376,688.78
  5. Step 5: Solve for x
    x = 223,433,376,688.78/533,134.91
  6. Step 6: Final answer
    x = 419,093.51

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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.