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Finding the Fourth Proportional to 624,429.74, 936,644.65 and 151,115.14

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Solution

The fourth proportional to 624,429.74, 936,644.65 and 151,115.14 is: 226,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,429.74 : 936,644.65 = 151,115.14 : x
  2. Step 2: Convert to fraction form
    624,429.74/936,644.65 = 151,115.14/x
  3. Step 3: Cross multiply
    624,429.74x = 936,644.65 × 151,115.14
  4. Step 4: Simplify right side
    624,429.74x = 141,541,187,415.00
  5. Step 5: Solve for x
    x = 141,541,187,415.00/624,429.74
  6. Step 6: Final answer
    x = 226,672.72

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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.