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Finding the Fourth Proportional to 335,865.66, 463,503.72 and 190,668.12

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Solution

The fourth proportional to 335,865.66, 463,503.72 and 190,668.12 is: 263,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,865.66 : 463,503.72 = 190,668.12 : x
  2. Step 2: Convert to fraction form
    335,865.66/463,503.72 = 190,668.12/x
  3. Step 3: Cross multiply
    335,865.66x = 463,503.72 × 190,668.12
  4. Step 4: Simplify right side
    335,865.66x = 88,375,382,905.41
  5. Step 5: Solve for x
    x = 88,375,382,905.41/335,865.66
  6. Step 6: Final answer
    x = 263,127.18

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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.