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Finding the Fourth Proportional to 618,507.62, 927,785.96 and 294,217.85

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Solution

The fourth proportional to 618,507.62, 927,785.96 and 294,217.85 is: 441,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,507.62 : 927,785.96 = 294,217.85 : x
  2. Step 2: Convert to fraction form
    618,507.62/927,785.96 = 294,217.85/x
  3. Step 3: Cross multiply
    618,507.62x = 927,785.96 × 294,217.85
  4. Step 4: Simplify right side
    618,507.62x = 272,971,184,301.37
  5. Step 5: Solve for x
    x = 272,971,184,301.37/618,507.62
  6. Step 6: Final answer
    x = 441,338.44

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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.