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Finding the Fourth Proportional to 376,822.98, 520,015.59 and 207,068.04

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Solution

The fourth proportional to 376,822.98, 520,015.59 and 207,068.04 is: 285,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,822.98 : 520,015.59 = 207,068.04 : x
  2. Step 2: Convert to fraction form
    376,822.98/520,015.59 = 207,068.04/x
  3. Step 3: Cross multiply
    376,822.98x = 520,015.59 × 207,068.04
  4. Step 4: Simplify right side
    376,822.98x = 107,678,609,508.41
  5. Step 5: Solve for x
    x = 107,678,609,508.41/376,822.98
  6. Step 6: Final answer
    x = 285,753.83

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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.