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Finding the Fourth Proportional to 574,299.60, 861,487.80 and 195,214.80

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Solution

The fourth proportional to 574,299.60, 861,487.80 and 195,214.80 is: 292,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,299.60 : 861,487.80 = 195,214.80 : x
  2. Step 2: Convert to fraction form
    574,299.60/861,487.80 = 195,214.80/x
  3. Step 3: Cross multiply
    574,299.60x = 861,487.80 × 195,214.80
  4. Step 4: Simplify right side
    574,299.60x = 168,175,168,579.44
  5. Step 5: Solve for x
    x = 168,175,168,579.44/574,299.60
  6. Step 6: Final answer
    x = 292,835.25

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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.