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Finding the Fourth Proportional to 358,374.78, 494,351.51 and 224,005.50

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Solution

The fourth proportional to 358,374.78, 494,351.51 and 224,005.50 is: 308,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,374.78 : 494,351.51 = 224,005.50 : x
  2. Step 2: Convert to fraction form
    358,374.78/494,351.51 = 224,005.50/x
  3. Step 3: Cross multiply
    358,374.78x = 494,351.51 × 224,005.50
  4. Step 4: Simplify right side
    358,374.78x = 110,737,456,053.28
  5. Step 5: Solve for x
    x = 110,737,456,053.28/358,374.78
  6. Step 6: Final answer
    x = 308,999.02

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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.