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Finding the Fourth Proportional to 624,490.84, 936,738.66 and 151,175.44

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Solution

The fourth proportional to 624,490.84, 936,738.66 and 151,175.44 is: 226,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,490.84 : 936,738.66 = 151,175.44 : x
  2. Step 2: Convert to fraction form
    624,490.84/936,738.66 = 151,175.44/x
  3. Step 3: Cross multiply
    624,490.84x = 936,738.66 × 151,175.44
  4. Step 4: Simplify right side
    624,490.84x = 141,611,879,090.51
  5. Step 5: Solve for x
    x = 141,611,879,090.51/624,490.84
  6. Step 6: Final answer
    x = 226,763.74

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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.