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Finding the Fourth Proportional to 404,822.42, 607,232.35 and 109,334.42

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Solution

The fourth proportional to 404,822.42, 607,232.35 and 109,334.42 is: 164,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,822.42 : 607,232.35 = 109,334.42 : x
  2. Step 2: Convert to fraction form
    404,822.42/607,232.35 = 109,334.42/x
  3. Step 3: Cross multiply
    404,822.42x = 607,232.35 × 109,334.42
  4. Step 4: Simplify right side
    404,822.42x = 66,391,396,792.49
  5. Step 5: Solve for x
    x = 66,391,396,792.49/404,822.42
  6. Step 6: Final answer
    x = 164,001.28

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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.