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Finding the Fourth Proportional to 344,070.51, 474,847.28 and 191,138.46

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Solution

The fourth proportional to 344,070.51, 474,847.28 and 191,138.46 is: 263,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,070.51 : 474,847.28 = 191,138.46 : x
  2. Step 2: Convert to fraction form
    344,070.51/474,847.28 = 191,138.46/x
  3. Step 3: Cross multiply
    344,070.51x = 474,847.28 × 191,138.46
  4. Step 4: Simplify right side
    344,070.51x = 90,761,577,834.39
  5. Step 5: Solve for x
    x = 90,761,577,834.39/344,070.51
  6. Step 6: Final answer
    x = 263,787.73

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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.