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Finding the Fourth Proportional to 303,312.60, 454,968.90 and 246,231.90

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Solution

The fourth proportional to 303,312.60, 454,968.90 and 246,231.90 is: 369,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,312.60 : 454,968.90 = 246,231.90 : x
  2. Step 2: Convert to fraction form
    303,312.60/454,968.90 = 246,231.90/x
  3. Step 3: Cross multiply
    303,312.60x = 454,968.90 × 246,231.90
  4. Step 4: Simplify right side
    303,312.60x = 112,027,856,687.91
  5. Step 5: Solve for x
    x = 112,027,856,687.91/303,312.60
  6. Step 6: Final answer
    x = 369,347.85

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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.