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Finding the Fourth Proportional to 504,171.72, 695,747.94 and 274,730.52

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Solution

The fourth proportional to 504,171.72, 695,747.94 and 274,730.52 is: 379,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,171.72 : 695,747.94 = 274,730.52 : x
  2. Step 2: Convert to fraction form
    504,171.72/695,747.94 = 274,730.52/x
  3. Step 3: Cross multiply
    504,171.72x = 695,747.94 × 274,730.52
  4. Step 4: Simplify right side
    504,171.72x = 191,143,193,345.13
  5. Step 5: Solve for x
    x = 191,143,193,345.13/504,171.72
  6. Step 6: Final answer
    x = 379,123.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.