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Finding the Fourth Proportional to 604,099.32, 906,128.42 and 154,824.60

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Solution

The fourth proportional to 604,099.32, 906,128.42 and 154,824.60 is: 232,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,099.32 : 906,128.42 = 154,824.60 : x
  2. Step 2: Convert to fraction form
    604,099.32/906,128.42 = 154,824.60/x
  3. Step 3: Cross multiply
    604,099.32x = 906,128.42 × 154,824.60
  4. Step 4: Simplify right side
    604,099.32x = 140,290,970,175.13
  5. Step 5: Solve for x
    x = 140,290,970,175.13/604,099.32
  6. Step 6: Final answer
    x = 232,231.63

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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.