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Finding the Fourth Proportional to 611,247.24, 917,227.80 and 256,233.96

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Solution

The fourth proportional to 611,247.24, 917,227.80 and 256,233.96 is: 384,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,247.24 : 917,227.80 = 256,233.96 : x
  2. Step 2: Convert to fraction form
    611,247.24/917,227.80 = 256,233.96/x
  3. Step 3: Cross multiply
    611,247.24x = 917,227.80 × 256,233.96
  4. Step 4: Simplify right side
    611,247.24x = 235,024,911,416.09
  5. Step 5: Solve for x
    x = 235,024,911,416.09/611,247.24
  6. Step 6: Final answer
    x = 384,500.57

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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.