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Finding the Fourth Proportional to 317,967.66, 438,789.96 and 174,727.53

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Solution

The fourth proportional to 317,967.66, 438,789.96 and 174,727.53 is: 241,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,967.66 : 438,789.96 = 174,727.53 : x
  2. Step 2: Convert to fraction form
    317,967.66/438,789.96 = 174,727.53/x
  3. Step 3: Cross multiply
    317,967.66x = 438,789.96 × 174,727.53
  4. Step 4: Simplify right side
    317,967.66x = 76,668,685,899.60
  5. Step 5: Solve for x
    x = 76,668,685,899.60/317,967.66
  6. Step 6: Final answer
    x = 241,121.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.