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Finding the Fourth Proportional to 551,442.06, 826,000.61 and 252,174.47

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Solution

The fourth proportional to 551,442.06, 826,000.61 and 252,174.47 is: 377,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,442.06 : 826,000.61 = 252,174.47 : x
  2. Step 2: Convert to fraction form
    551,442.06/826,000.61 = 252,174.47/x
  3. Step 3: Cross multiply
    551,442.06x = 826,000.61 × 252,174.47
  4. Step 4: Simplify right side
    551,442.06x = 208,296,260,655.55
  5. Step 5: Solve for x
    x = 208,296,260,655.55/551,442.06
  6. Step 6: Final answer
    x = 377,730.09

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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.