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Finding the Fourth Proportional to 452,847.70, 624,944.79 and 248,905.90

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Solution

The fourth proportional to 452,847.70, 624,944.79 and 248,905.90 is: 343,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,847.70 : 624,944.79 = 248,905.90 : x
  2. Step 2: Convert to fraction form
    452,847.70/624,944.79 = 248,905.90/x
  3. Step 3: Cross multiply
    452,847.70x = 624,944.79 × 248,905.90
  4. Step 4: Simplify right side
    452,847.70x = 155,552,445,405.26
  5. Step 5: Solve for x
    x = 155,552,445,405.26/452,847.70
  6. Step 6: Final answer
    x = 343,498.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.