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Finding the Fourth Proportional to 505,992.41, 759,097.98 and 190,448.42

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Solution

The fourth proportional to 505,992.41, 759,097.98 and 190,448.42 is: 285,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,992.41 : 759,097.98 = 190,448.42 : x
  2. Step 2: Convert to fraction form
    505,992.41/759,097.98 = 190,448.42/x
  3. Step 3: Cross multiply
    505,992.41x = 759,097.98 × 190,448.42
  4. Step 4: Simplify right side
    505,992.41x = 144,569,010,916.19
  5. Step 5: Solve for x
    x = 144,569,010,916.19/505,992.41
  6. Step 6: Final answer
    x = 285,713.79

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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.