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Finding the Fourth Proportional to 351,266.95, 484,748.36 and 190,121.97

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Solution

The fourth proportional to 351,266.95, 484,748.36 and 190,121.97 is: 262,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,266.95 : 484,748.36 = 190,121.97 : x
  2. Step 2: Convert to fraction form
    351,266.95/484,748.36 = 190,121.97/x
  3. Step 3: Cross multiply
    351,266.95x = 484,748.36 × 190,121.97
  4. Step 4: Simplify right side
    351,266.95x = 92,161,312,206.86
  5. Step 5: Solve for x
    x = 92,161,312,206.86/351,266.95
  6. Step 6: Final answer
    x = 262,368.30

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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.