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Finding the Fourth Proportional to 317,093.12, 475,005.93 and 190,664.13

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Solution

The fourth proportional to 317,093.12, 475,005.93 and 190,664.13 is: 285,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,093.12 : 475,005.93 = 190,664.13 : x
  2. Step 2: Convert to fraction form
    317,093.12/475,005.93 = 190,664.13/x
  3. Step 3: Cross multiply
    317,093.12x = 475,005.93 × 190,664.13
  4. Step 4: Simplify right side
    317,093.12x = 90,566,594,527.06
  5. Step 5: Solve for x
    x = 90,566,594,527.06/317,093.12
  6. Step 6: Final answer
    x = 285,615.14

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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.