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Finding the Fourth Proportional to 417,001.54, 625,018.44 and 191,889.38

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Solution

The fourth proportional to 417,001.54, 625,018.44 and 191,889.38 is: 287,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,001.54 : 625,018.44 = 191,889.38 : x
  2. Step 2: Convert to fraction form
    417,001.54/625,018.44 = 191,889.38/x
  3. Step 3: Cross multiply
    417,001.54x = 625,018.44 × 191,889.38
  4. Step 4: Simplify right side
    417,001.54x = 119,934,400,940.17
  5. Step 5: Solve for x
    x = 119,934,400,940.17/417,001.54
  6. Step 6: Final answer
    x = 287,611.41

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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.