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Finding the Fourth Proportional to 618,076.57, 852,905.07 and 346,082.11

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Solution

The fourth proportional to 618,076.57, 852,905.07 and 346,082.11 is: 477,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,076.57 : 852,905.07 = 346,082.11 : x
  2. Step 2: Convert to fraction form
    618,076.57/852,905.07 = 346,082.11/x
  3. Step 3: Cross multiply
    618,076.57x = 852,905.07 × 346,082.11
  4. Step 4: Simplify right side
    618,076.57x = 295,175,184,524.89
  5. Step 5: Solve for x
    x = 295,175,184,524.89/618,076.57
  6. Step 6: Final answer
    x = 477,570.58

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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.