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Finding the Fourth Proportional to 624,908.70, 936,801.72 and 225,455.58

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Solution

The fourth proportional to 624,908.70, 936,801.72 and 225,455.58 is: 337,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,908.70 : 936,801.72 = 225,455.58 : x
  2. Step 2: Convert to fraction form
    624,908.70/936,801.72 = 225,455.58/x
  3. Step 3: Cross multiply
    624,908.70x = 936,801.72 × 225,455.58
  4. Step 4: Simplify right side
    624,908.70x = 211,207,175,127.60
  5. Step 5: Solve for x
    x = 211,207,175,127.60/624,908.70
  6. Step 6: Final answer
    x = 337,980.85

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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.