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Finding the Fourth Proportional to 376,813.26, 520,002.18 and 207,058.32

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Solution

The fourth proportional to 376,813.26, 520,002.18 and 207,058.32 is: 285,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,813.26 : 520,002.18 = 207,058.32 : x
  2. Step 2: Convert to fraction form
    376,813.26/520,002.18 = 207,058.32/x
  3. Step 3: Cross multiply
    376,813.26x = 520,002.18 × 207,058.32
  4. Step 4: Simplify right side
    376,813.26x = 107,670,777,787.14
  5. Step 5: Solve for x
    x = 107,670,777,787.14/376,813.26
  6. Step 6: Final answer
    x = 285,740.42

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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.