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Finding the Fourth Proportional to 503,710.62, 755,621.29 and 251,054.71

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Solution

The fourth proportional to 503,710.62, 755,621.29 and 251,054.71 is: 376,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,710.62 : 755,621.29 = 251,054.71 : x
  2. Step 2: Convert to fraction form
    503,710.62/755,621.29 = 251,054.71/x
  3. Step 3: Cross multiply
    503,710.62x = 755,621.29 × 251,054.71
  4. Step 4: Simplify right side
    503,710.62x = 189,702,284,147.67
  5. Step 5: Solve for x
    x = 189,702,284,147.67/503,710.62
  6. Step 6: Final answer
    x = 376,609.66

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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.