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Finding the Fourth Proportional to 500,757.36, 751,258.92 and 145,774.56

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Solution

The fourth proportional to 500,757.36, 751,258.92 and 145,774.56 is: 218,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,757.36 : 751,258.92 = 145,774.56 : x
  2. Step 2: Convert to fraction form
    500,757.36/751,258.92 = 145,774.56/x
  3. Step 3: Cross multiply
    500,757.36x = 751,258.92 × 145,774.56
  4. Step 4: Simplify right side
    500,757.36x = 109,514,438,509.08
  5. Step 5: Solve for x
    x = 109,514,438,509.08/500,757.36
  6. Step 6: Final answer
    x = 218,697.61

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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.