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Finding the Fourth Proportional to 624,552.60, 936,731.70 and 175,229.40

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Solution

The fourth proportional to 624,552.60, 936,731.70 and 175,229.40 is: 262,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,552.60 : 936,731.70 = 175,229.40 : x
  2. Step 2: Convert to fraction form
    624,552.60/936,731.70 = 175,229.40/x
  3. Step 3: Cross multiply
    624,552.60x = 936,731.70 × 175,229.40
  4. Step 4: Simplify right side
    624,552.60x = 164,142,933,751.98
  5. Step 5: Solve for x
    x = 164,142,933,751.98/624,552.60
  6. Step 6: Final answer
    x = 262,816.83

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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.