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Finding the Fourth Proportional to 317,751.75, 438,536.33 and 183,615.75

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Solution

The fourth proportional to 317,751.75, 438,536.33 and 183,615.75 is: 253,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,751.75 : 438,536.33 = 183,615.75 : x
  2. Step 2: Convert to fraction form
    317,751.75/438,536.33 = 183,615.75/x
  3. Step 3: Cross multiply
    317,751.75x = 438,536.33 × 183,615.75
  4. Step 4: Simplify right side
    317,751.75x = 80,522,176,217.12
  5. Step 5: Solve for x
    x = 80,522,176,217.12/317,751.75
  6. Step 6: Final answer
    x = 253,412.22

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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.