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Finding the Fourth Proportional to 416,905.44, 626,195 and 248,753.92

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Solution

The fourth proportional to 416,905.44, 626,195 and 248,753.92 is: 373,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,905.44 : 626,195 = 248,753.92 : x
  2. Step 2: Convert to fraction form
    416,905.44/626,195 = 248,753.92/x
  3. Step 3: Cross multiply
    416,905.44x = 626,195 × 248,753.92
  4. Step 4: Simplify right side
    416,905.44x = 155,768,460,934.40
  5. Step 5: Solve for x
    x = 155,768,460,934.40/416,905.44
  6. Step 6: Final answer
    x = 373,630.20

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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.