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Finding the Fourth Proportional to 376,288.36, 564,410.66 and 275,188.82

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Solution

The fourth proportional to 376,288.36, 564,410.66 and 275,188.82 is: 412,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,288.36 : 564,410.66 = 275,188.82 : x
  2. Step 2: Convert to fraction form
    376,288.36/564,410.66 = 275,188.82/x
  3. Step 3: Cross multiply
    376,288.36x = 564,410.66 × 275,188.82
  4. Step 4: Simplify right side
    376,288.36x = 155,319,499,322.82
  5. Step 5: Solve for x
    x = 155,319,499,322.82/376,288.36
  6. Step 6: Final answer
    x = 412,767.22

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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.