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Finding the Fourth Proportional to 376,851.29, 520,058.88 and 207,085.41

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Solution

The fourth proportional to 376,851.29, 520,058.88 and 207,085.41 is: 285,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,851.29 : 520,058.88 = 207,085.41 : x
  2. Step 2: Convert to fraction form
    376,851.29/520,058.88 = 207,085.41/x
  3. Step 3: Cross multiply
    376,851.29x = 520,058.88 × 207,085.41
  4. Step 4: Simplify right side
    376,851.29x = 107,696,606,388.94
  5. Step 5: Solve for x
    x = 107,696,606,388.94/376,851.29
  6. Step 6: Final answer
    x = 285,780.12

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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.