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Finding the Fourth Proportional to 323,737.10, 485,605.65 and 304,037.90

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Solution

The fourth proportional to 323,737.10, 485,605.65 and 304,037.90 is: 456,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,737.10 : 485,605.65 = 304,037.90 : x
  2. Step 2: Convert to fraction form
    323,737.10/485,605.65 = 304,037.90/x
  3. Step 3: Cross multiply
    323,737.10x = 485,605.65 × 304,037.90
  4. Step 4: Simplify right side
    323,737.10x = 147,642,522,054.14
  5. Step 5: Solve for x
    x = 147,642,522,054.14/323,737.10
  6. Step 6: Final answer
    x = 456,056.85

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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.