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Finding the Fourth Proportional to 618,406.96, 927,317.24 and 239,505.12

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Solution

The fourth proportional to 618,406.96, 927,317.24 and 239,505.12 is: 359,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,406.96 : 927,317.24 = 239,505.12 : x
  2. Step 2: Convert to fraction form
    618,406.96/927,317.24 = 239,505.12/x
  3. Step 3: Cross multiply
    618,406.96x = 927,317.24 × 239,505.12
  4. Step 4: Simplify right side
    618,406.96x = 222,097,226,844.27
  5. Step 5: Solve for x
    x = 222,097,226,844.27/618,406.96
  6. Step 6: Final answer
    x = 359,144.13

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1.5x scale

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.