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Finding the Fourth Proportional to 504,243.93, 695,856.61 and 277,889.43

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Solution

The fourth proportional to 504,243.93, 695,856.61 and 277,889.43 is: 383,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,243.93 : 695,856.61 = 277,889.43 : x
  2. Step 2: Convert to fraction form
    504,243.93/695,856.61 = 277,889.43/x
  3. Step 3: Cross multiply
    504,243.93x = 695,856.61 × 277,889.43
  4. Step 4: Simplify right side
    504,243.93x = 193,371,197,409.36
  5. Step 5: Solve for x
    x = 193,371,197,409.36/504,243.93
  6. Step 6: Final answer
    x = 383,487.41

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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.