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Finding the Fourth Proportional to 603,109.87, 832,306.08 and 327,479.34

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Solution

The fourth proportional to 603,109.87, 832,306.08 and 327,479.34 is: 451,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,109.87 : 832,306.08 = 327,479.34 : x
  2. Step 2: Convert to fraction form
    603,109.87/832,306.08 = 327,479.34/x
  3. Step 3: Cross multiply
    603,109.87x = 832,306.08 × 327,479.34
  4. Step 4: Simplify right side
    603,109.87x = 272,563,045,756.39
  5. Step 5: Solve for x
    x = 272,563,045,756.39/603,109.87
  6. Step 6: Final answer
    x = 451,929.34

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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.