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Finding the Fourth Proportional to 573,671.12, 860,898.72 and 199,694.12

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Solution

The fourth proportional to 573,671.12, 860,898.72 and 199,694.12 is: 299,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,671.12 : 860,898.72 = 199,694.12 : x
  2. Step 2: Convert to fraction form
    573,671.12/860,898.72 = 199,694.12/x
  3. Step 3: Cross multiply
    573,671.12x = 860,898.72 × 199,694.12
  4. Step 4: Simplify right side
    573,671.12x = 171,916,412,299.53
  5. Step 5: Solve for x
    x = 171,916,412,299.53/573,671.12
  6. Step 6: Final answer
    x = 299,677.65

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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.