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Finding the Fourth Proportional to 404,717.37, 607,027.71 and 314,849.78

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Solution

The fourth proportional to 404,717.37, 607,027.71 and 314,849.78 is: 472,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,717.37 : 607,027.71 = 314,849.78 : x
  2. Step 2: Convert to fraction form
    404,717.37/607,027.71 = 314,849.78/x
  3. Step 3: Cross multiply
    404,717.37x = 607,027.71 × 314,849.78
  4. Step 4: Simplify right side
    404,717.37x = 191,122,542,570.05
  5. Step 5: Solve for x
    x = 191,122,542,570.05/404,717.37
  6. Step 6: Final answer
    x = 472,237.06

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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.