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Finding the Fourth Proportional to 351,396.36, 484,928.10 and 190,253.16

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Solution

The fourth proportional to 351,396.36, 484,928.10 and 190,253.16 is: 262,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,396.36 : 484,928.10 = 190,253.16 : x
  2. Step 2: Convert to fraction form
    351,396.36/484,928.10 = 190,253.16/x
  3. Step 3: Cross multiply
    351,396.36x = 484,928.10 × 190,253.16
  4. Step 4: Simplify right side
    351,396.36x = 92,259,103,397.80
  5. Step 5: Solve for x
    x = 92,259,103,397.80/351,396.36
  6. Step 6: Final answer
    x = 262,549.97

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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.