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Finding the Fourth Proportional to 889,503, 1,227,499.38 and 481,601.58

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Solution

The fourth proportional to 889,503, 1,227,499.38 and 481,601.58 is: 664,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,503 : 1,227,499.38 = 481,601.58 : x
  2. Step 2: Convert to fraction form
    889,503/1,227,499.38 = 481,601.58/x
  3. Step 3: Cross multiply
    889,503x = 1,227,499.38 × 481,601.58
  4. Step 4: Simplify right side
    889,503x = 591,165,640,857.02
  5. Step 5: Solve for x
    x = 591,165,640,857.02/889,503
  6. Step 6: Final answer
    x = 664,602.19

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1.5x scale

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.