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Finding the Fourth Proportional to 376,325.07, 564,798.66 and 186,777.78

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Solution

The fourth proportional to 376,325.07, 564,798.66 and 186,777.78 is: 280,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,325.07 : 564,798.66 = 186,777.78 : x
  2. Step 2: Convert to fraction form
    376,325.07/564,798.66 = 186,777.78/x
  3. Step 3: Cross multiply
    376,325.07x = 564,798.66 × 186,777.78
  4. Step 4: Simplify right side
    376,325.07x = 105,491,839,861.78
  5. Step 5: Solve for x
    x = 105,491,839,861.78/376,325.07
  6. Step 6: Final answer
    x = 280,321.05

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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.