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Finding the Fourth Proportional to 618,496.85, 927,452.86 and 239,595.05

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Solution

The fourth proportional to 618,496.85, 927,452.86 and 239,595.05 is: 359,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,496.85 : 927,452.86 = 239,595.05 : x
  2. Step 2: Convert to fraction form
    618,496.85/927,452.86 = 239,595.05/x
  3. Step 3: Cross multiply
    618,496.85x = 927,452.86 × 239,595.05
  4. Step 4: Simplify right side
    618,496.85x = 222,213,114,364.34
  5. Step 5: Solve for x
    x = 222,213,114,364.34/618,496.85
  6. Step 6: Final answer
    x = 359,279.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.