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Finding the Fourth Proportional to 376,616.94, 566,961.53 and 343,098.38

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Solution

The fourth proportional to 376,616.94, 566,961.53 and 343,098.38 is: 516,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,616.94 : 566,961.53 = 343,098.38 : x
  2. Step 2: Convert to fraction form
    376,616.94/566,961.53 = 343,098.38/x
  3. Step 3: Cross multiply
    376,616.94x = 566,961.53 × 343,098.38
  4. Step 4: Simplify right side
    376,616.94x = 194,523,582,465.32
  5. Step 5: Solve for x
    x = 194,523,582,465.32/376,616.94
  6. Step 6: Final answer
    x = 516,502.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.