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Finding the Fourth Proportional to 804,607.16, 1,206,815 and 264,729.56

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Solution

The fourth proportional to 804,607.16, 1,206,815 and 264,729.56 is: 397,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,607.16 : 1,206,815 = 264,729.56 : x
  2. Step 2: Convert to fraction form
    804,607.16/1,206,815 = 264,729.56/x
  3. Step 3: Cross multiply
    804,607.16x = 1,206,815 × 264,729.56
  4. Step 4: Simplify right side
    804,607.16x = 319,479,603,951.40
  5. Step 5: Solve for x
    x = 319,479,603,951.40/804,607.16
  6. Step 6: Final answer
    x = 397,062.84

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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.