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Finding the Fourth Proportional to 297,870.77, 446,806.38 and 84,611.16

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Solution

The fourth proportional to 297,870.77, 446,806.38 and 84,611.16 is: 126,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,870.77 : 446,806.38 = 84,611.16 : x
  2. Step 2: Convert to fraction form
    297,870.77/446,806.38 = 84,611.16/x
  3. Step 3: Cross multiply
    297,870.77x = 446,806.38 × 84,611.16
  4. Step 4: Simplify right side
    297,870.77x = 37,804,804,691.91
  5. Step 5: Solve for x
    x = 37,804,804,691.91/297,870.77
  6. Step 6: Final answer
    x = 126,916.80

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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.