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Finding the Fourth Proportional to 361,994.95, 499,625.72 and 209,058.04

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Solution

The fourth proportional to 361,994.95, 499,625.72 and 209,058.04 is: 288,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,994.95 : 499,625.72 = 209,058.04 : x
  2. Step 2: Convert to fraction form
    361,994.95/499,625.72 = 209,058.04/x
  3. Step 3: Cross multiply
    361,994.95x = 499,625.72 × 209,058.04
  4. Step 4: Simplify right side
    361,994.95x = 104,450,773,756.79
  5. Step 5: Solve for x
    x = 104,450,773,756.79/361,994.95
  6. Step 6: Final answer
    x = 288,542.07

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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.