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Finding the Fourth Proportional to 574,298.60, 861,486.30 and 195,213.80

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Solution

The fourth proportional to 574,298.60, 861,486.30 and 195,213.80 is: 292,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,298.60 : 861,486.30 = 195,213.80 : x
  2. Step 2: Convert to fraction form
    574,298.60/861,486.30 = 195,213.80/x
  3. Step 3: Cross multiply
    574,298.60x = 861,486.30 × 195,213.80
  4. Step 4: Simplify right side
    574,298.60x = 168,174,014,270.94
  5. Step 5: Solve for x
    x = 168,174,014,270.94/574,298.60
  6. Step 6: Final answer
    x = 292,833.75

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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.