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Finding the Fourth Proportional to 595,781.20, 893,434.20 and 196,310.80

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Solution

The fourth proportional to 595,781.20, 893,434.20 and 196,310.80 is: 294,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,781.20 : 893,434.20 = 196,310.80 : x
  2. Step 2: Convert to fraction form
    595,781.20/893,434.20 = 196,310.80/x
  3. Step 3: Cross multiply
    595,781.20x = 893,434.20 × 196,310.80
  4. Step 4: Simplify right side
    595,781.20x = 175,390,782,549.36
  5. Step 5: Solve for x
    x = 175,390,782,549.36/595,781.20
  6. Step 6: Final answer
    x = 294,387.91

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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.