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Finding the Fourth Proportional to 376,997.49, 565,376.25 and 124,230.81

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Solution

The fourth proportional to 376,997.49, 565,376.25 and 124,230.81 is: 186,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,997.49 : 565,376.25 = 124,230.81 : x
  2. Step 2: Convert to fraction form
    376,997.49/565,376.25 = 124,230.81/x
  3. Step 3: Cross multiply
    376,997.49x = 565,376.25 × 124,230.81
  4. Step 4: Simplify right side
    376,997.49x = 70,237,152,078.29
  5. Step 5: Solve for x
    x = 70,237,152,078.29/376,997.49
  6. Step 6: Final answer
    x = 186,306.68

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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.