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Finding the Fourth Proportional to 350,832, 484,148.16 and 191,856

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Solution

The fourth proportional to 350,832, 484,148.16 and 191,856 is: 264,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,832 : 484,148.16 = 191,856 : x
  2. Step 2: Convert to fraction form
    350,832/484,148.16 = 191,856/x
  3. Step 3: Cross multiply
    350,832x = 484,148.16 × 191,856
  4. Step 4: Simplify right side
    350,832x = 92,886,729,384.96
  5. Step 5: Solve for x
    x = 92,886,729,384.96/350,832
  6. Step 6: Final answer
    x = 264,761.28

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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.