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Finding the Fourth Proportional to 297,886.60, 446,487.35 and 137,625.86

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Solution

The fourth proportional to 297,886.60, 446,487.35 and 137,625.86 is: 206,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,886.60 : 446,487.35 = 137,625.86 : x
  2. Step 2: Convert to fraction form
    297,886.60/446,487.35 = 137,625.86/x
  3. Step 3: Cross multiply
    297,886.60x = 446,487.35 × 137,625.86
  4. Step 4: Simplify right side
    297,886.60x = 61,448,204,834.74
  5. Step 5: Solve for x
    x = 61,448,204,834.74/297,886.60
  6. Step 6: Final answer
    x = 206,280.53

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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.