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Finding the Fourth Proportional to 409,296.72, 614,329.02 and 251,832.72

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Solution

The fourth proportional to 409,296.72, 614,329.02 and 251,832.72 is: 377,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,296.72 : 614,329.02 = 251,832.72 : x
  2. Step 2: Convert to fraction form
    409,296.72/614,329.02 = 251,832.72/x
  3. Step 3: Cross multiply
    409,296.72x = 614,329.02 × 251,832.72
  4. Step 4: Simplify right side
    409,296.72x = 154,708,148,081.53
  5. Step 5: Solve for x
    x = 154,708,148,081.53/409,296.72
  6. Step 6: Final answer
    x = 377,985.31

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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.