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Finding the Fourth Proportional to 376,589.48, 564,979.84 and 174,331.40

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Solution

The fourth proportional to 376,589.48, 564,979.84 and 174,331.40 is: 261,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,589.48 : 564,979.84 = 174,331.40 : x
  2. Step 2: Convert to fraction form
    376,589.48/564,979.84 = 174,331.40/x
  3. Step 3: Cross multiply
    376,589.48x = 564,979.84 × 174,331.40
  4. Step 4: Simplify right side
    376,589.48x = 98,493,727,455.60
  5. Step 5: Solve for x
    x = 98,493,727,455.60/376,589.48
  6. Step 6: Final answer
    x = 261,541.37

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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.