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Finding the Fourth Proportional to 376,074.18, 563,580.87 and 207,670.32

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Solution

The fourth proportional to 376,074.18, 563,580.87 and 207,670.32 is: 311,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,074.18 : 563,580.87 = 207,670.32 : x
  2. Step 2: Convert to fraction form
    376,074.18/563,580.87 = 207,670.32/x
  3. Step 3: Cross multiply
    376,074.18x = 563,580.87 × 207,670.32
  4. Step 4: Simplify right side
    376,074.18x = 117,039,019,618.78
  5. Step 5: Solve for x
    x = 117,039,019,618.78/376,074.18
  6. Step 6: Final answer
    x = 311,212.59

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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.