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Finding the Fourth Proportional to 299,285.40, 448,928.10 and 246,141.30

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Solution

The fourth proportional to 299,285.40, 448,928.10 and 246,141.30 is: 369,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,285.40 : 448,928.10 = 246,141.30 : x
  2. Step 2: Convert to fraction form
    299,285.40/448,928.10 = 246,141.30/x
  3. Step 3: Cross multiply
    299,285.40x = 448,928.10 × 246,141.30
  4. Step 4: Simplify right side
    299,285.40x = 110,499,746,140.53
  5. Step 5: Solve for x
    x = 110,499,746,140.53/299,285.40
  6. Step 6: Final answer
    x = 369,211.95

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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.