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Finding the Fourth Proportional to 611,452.46, 843,871.85 and 349,832.08

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Solution

The fourth proportional to 611,452.46, 843,871.85 and 349,832.08 is: 482,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,452.46 : 843,871.85 = 349,832.08 : x
  2. Step 2: Convert to fraction form
    611,452.46/843,871.85 = 349,832.08/x
  3. Step 3: Cross multiply
    611,452.46x = 843,871.85 × 349,832.08
  4. Step 4: Simplify right side
    611,452.46x = 295,213,440,612.51
  5. Step 5: Solve for x
    x = 295,213,440,612.51/611,452.46
  6. Step 6: Final answer
    x = 482,806.85

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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.