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Finding the Fourth Proportional to 844,475.88, 1,266,796.80 and 245,442

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Solution

The fourth proportional to 844,475.88, 1,266,796.80 and 245,442 is: 368,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,475.88 : 1,266,796.80 = 245,442 : x
  2. Step 2: Convert to fraction form
    844,475.88/1,266,796.80 = 245,442/x
  3. Step 3: Cross multiply
    844,475.88x = 1,266,796.80 × 245,442
  4. Step 4: Simplify right side
    844,475.88x = 310,925,140,185.60
  5. Step 5: Solve for x
    x = 310,925,140,185.60/844,475.88
  6. Step 6: Final answer
    x = 368,187.12

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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.