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Finding the Fourth Proportional to 624,250.60, 936,375.90 and 499,834.60

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Solution

The fourth proportional to 624,250.60, 936,375.90 and 499,834.60 is: 749,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,250.60 : 936,375.90 = 499,834.60 : x
  2. Step 2: Convert to fraction form
    624,250.60/936,375.90 = 499,834.60/x
  3. Step 3: Cross multiply
    624,250.60x = 936,375.90 × 499,834.60
  4. Step 4: Simplify right side
    624,250.60x = 468,033,073,426.14
  5. Step 5: Solve for x
    x = 468,033,073,426.14/624,250.60
  6. Step 6: Final answer
    x = 749,751.90

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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.