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Finding the Fourth Proportional to 624,429.24, 936,643.90 and 151,114.64

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Solution

The fourth proportional to 624,429.24, 936,643.90 and 151,114.64 is: 226,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,429.24 : 936,643.90 = 151,114.64 : x
  2. Step 2: Convert to fraction form
    624,429.24/936,643.90 = 151,114.64/x
  3. Step 3: Cross multiply
    624,429.24x = 936,643.90 × 151,114.64
  4. Step 4: Simplify right side
    624,429.24x = 141,540,605,756.70
  5. Step 5: Solve for x
    x = 141,540,605,756.70/624,429.24
  6. Step 6: Final answer
    x = 226,671.97

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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.