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Finding the Fourth Proportional to 624,473.19, 936,712.21 and 151,157.79

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Solution

The fourth proportional to 624,473.19, 936,712.21 and 151,157.79 is: 226,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,473.19 : 936,712.21 = 151,157.79 : x
  2. Step 2: Convert to fraction form
    624,473.19/936,712.21 = 151,157.79/x
  3. Step 3: Cross multiply
    624,473.19x = 936,712.21 × 151,157.79
  4. Step 4: Simplify right side
    624,473.19x = 141,591,342,468.16
  5. Step 5: Solve for x
    x = 141,591,342,468.16/624,473.19
  6. Step 6: Final answer
    x = 226,737.27

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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.