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Finding the Fourth Proportional to 505,992.91, 759,098.73 and 190,448.92

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Solution

The fourth proportional to 505,992.91, 759,098.73 and 190,448.92 is: 285,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,992.91 : 759,098.73 = 190,448.92 : x
  2. Step 2: Convert to fraction form
    505,992.91/759,098.73 = 190,448.92/x
  3. Step 3: Cross multiply
    505,992.91x = 759,098.73 × 190,448.92
  4. Step 4: Simplify right side
    505,992.91x = 144,569,533,301.87
  5. Step 5: Solve for x
    x = 144,569,533,301.87/505,992.91
  6. Step 6: Final answer
    x = 285,714.54

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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.