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Finding the Fourth Proportional to 416,899.44, 626,186 and 248,747.92

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Solution

The fourth proportional to 416,899.44, 626,186 and 248,747.92 is: 373,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,899.44 : 626,186 = 248,747.92 : x
  2. Step 2: Convert to fraction form
    416,899.44/626,186 = 248,747.92/x
  3. Step 3: Cross multiply
    416,899.44x = 626,186 × 248,747.92
  4. Step 4: Simplify right side
    416,899.44x = 155,762,465,033.12
  5. Step 5: Solve for x
    x = 155,762,465,033.12/416,899.44
  6. Step 6: Final answer
    x = 373,621.19

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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.