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Finding the Fourth Proportional to 551,445.57, 827,195.49 and 152,077.50

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Solution

The fourth proportional to 551,445.57, 827,195.49 and 152,077.50 is: 228,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,445.57 : 827,195.49 = 152,077.50 : x
  2. Step 2: Convert to fraction form
    551,445.57/827,195.49 = 152,077.50/x
  3. Step 3: Cross multiply
    551,445.57x = 827,195.49 × 152,077.50
  4. Step 4: Simplify right side
    551,445.57x = 125,797,822,130.48
  5. Step 5: Solve for x
    x = 125,797,822,130.48/551,445.57
  6. Step 6: Final answer
    x = 228,123.73

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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.