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Finding the Fourth Proportional to 345,274.50, 476,491.68 and 190,232.10

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Solution

The fourth proportional to 345,274.50, 476,491.68 and 190,232.10 is: 262,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,274.50 : 476,491.68 = 190,232.10 : x
  2. Step 2: Convert to fraction form
    345,274.50/476,491.68 = 190,232.10/x
  3. Step 3: Cross multiply
    345,274.50x = 476,491.68 × 190,232.10
  4. Step 4: Simplify right side
    345,274.50x = 90,644,012,918.93
  5. Step 5: Solve for x
    x = 90,644,012,918.93/345,274.50
  6. Step 6: Final answer
    x = 262,527.39

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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.