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Finding the Fourth Proportional to 376,958.61, 564,083.34 and 276,870.56

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Solution

The fourth proportional to 376,958.61, 564,083.34 and 276,870.56 is: 414,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,958.61 : 564,083.34 = 276,870.56 : x
  2. Step 2: Convert to fraction form
    376,958.61/564,083.34 = 276,870.56/x
  3. Step 3: Cross multiply
    376,958.61x = 564,083.34 × 276,870.56
  4. Step 4: Simplify right side
    376,958.61x = 156,178,067,931.19
  5. Step 5: Solve for x
    x = 156,178,067,931.19/376,958.61
  6. Step 6: Final answer
    x = 414,310.92

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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.