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Finding the Fourth Proportional to 551,372.13, 827,104.50 and 152,012.70

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Solution

The fourth proportional to 551,372.13, 827,104.50 and 152,012.70 is: 228,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,372.13 : 827,104.50 = 152,012.70 : x
  2. Step 2: Convert to fraction form
    551,372.13/827,104.50 = 152,012.70/x
  3. Step 3: Cross multiply
    551,372.13x = 827,104.50 × 152,012.70
  4. Step 4: Simplify right side
    551,372.13x = 125,730,388,227.15
  5. Step 5: Solve for x
    x = 125,730,388,227.15/551,372.13
  6. Step 6: Final answer
    x = 228,031.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.