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Finding the Fourth Proportional to 452,705.37, 624,731.35 and 248,755.69

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Solution

The fourth proportional to 452,705.37, 624,731.35 and 248,755.69 is: 343,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,705.37 : 624,731.35 = 248,755.69 : x
  2. Step 2: Convert to fraction form
    452,705.37/624,731.35 = 248,755.69/x
  3. Step 3: Cross multiply
    452,705.37x = 624,731.35 × 248,755.69
  4. Step 4: Simplify right side
    452,705.37x = 155,405,480,217.60
  5. Step 5: Solve for x
    x = 155,405,480,217.60/452,705.37
  6. Step 6: Final answer
    x = 343,281.73

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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.