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Finding the Fourth Proportional to 791,225.16, 1,091,891.86 and 469,093

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Solution

The fourth proportional to 791,225.16, 1,091,891.86 and 469,093 is: 647,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,225.16 : 1,091,891.86 = 469,093 : x
  2. Step 2: Convert to fraction form
    791,225.16/1,091,891.86 = 469,093/x
  3. Step 3: Cross multiply
    791,225.16x = 1,091,891.86 × 469,093
  4. Step 4: Simplify right side
    791,225.16x = 512,198,828,282.98
  5. Step 5: Solve for x
    x = 512,198,828,282.98/791,225.16
  6. Step 6: Final answer
    x = 647,349.02

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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.