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Finding the Fourth Proportional to 624,433.26, 936,649.92 and 151,118.64

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Solution

The fourth proportional to 624,433.26, 936,649.92 and 151,118.64 is: 226,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,433.26 : 936,649.92 = 151,118.64 : x
  2. Step 2: Convert to fraction form
    624,433.26/936,649.92 = 151,118.64/x
  3. Step 3: Cross multiply
    624,433.26x = 936,649.92 × 151,118.64
  4. Step 4: Simplify right side
    624,433.26x = 141,545,262,066.51
  5. Step 5: Solve for x
    x = 141,545,262,066.51/624,433.26
  6. Step 6: Final answer
    x = 226,677.97

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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.