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Finding the Fourth Proportional to 551,573.14, 826,885.86 and 191,697.24

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Solution

The fourth proportional to 551,573.14, 826,885.86 and 191,697.24 is: 287,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,573.14 : 826,885.86 = 191,697.24 : x
  2. Step 2: Convert to fraction form
    551,573.14/826,885.86 = 191,697.24/x
  3. Step 3: Cross multiply
    551,573.14x = 826,885.86 × 191,697.24
  4. Step 4: Simplify right side
    551,573.14x = 158,511,737,752.52
  5. Step 5: Solve for x
    x = 158,511,737,752.52/551,573.14
  6. Step 6: Final answer
    x = 287,381.18

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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.