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Finding the Fourth Proportional to 376,565.08, 519,663.20 and 206,800.44

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Solution

The fourth proportional to 376,565.08, 519,663.20 and 206,800.44 is: 285,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,565.08 : 519,663.20 = 206,800.44 : x
  2. Step 2: Convert to fraction form
    376,565.08/519,663.20 = 206,800.44/x
  3. Step 3: Cross multiply
    376,565.08x = 519,663.20 × 206,800.44
  4. Step 4: Simplify right side
    376,565.08x = 107,466,578,411.81
  5. Step 5: Solve for x
    x = 107,466,578,411.81/376,565.08
  6. Step 6: Final answer
    x = 285,386.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.