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Finding the Fourth Proportional to 376,664.32, 564,997.40 and 92,356.12

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Solution

The fourth proportional to 376,664.32, 564,997.40 and 92,356.12 is: 138,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,664.32 : 564,997.40 = 92,356.12 : x
  2. Step 2: Convert to fraction form
    376,664.32/564,997.40 = 92,356.12/x
  3. Step 3: Cross multiply
    376,664.32x = 564,997.40 × 92,356.12
  4. Step 4: Simplify right side
    376,664.32x = 52,180,967,674.09
  5. Step 5: Solve for x
    x = 52,180,967,674.09/376,664.32
  6. Step 6: Final answer
    x = 138,534.41

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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.