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Finding the Fourth Proportional to 361,011.31, 541,529.52 and 171,373.98

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Solution

The fourth proportional to 361,011.31, 541,529.52 and 171,373.98 is: 257,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,011.31 : 541,529.52 = 171,373.98 : x
  2. Step 2: Convert to fraction form
    361,011.31/541,529.52 = 171,373.98/x
  3. Step 3: Cross multiply
    361,011.31x = 541,529.52 × 171,373.98
  4. Step 4: Simplify right side
    361,011.31x = 92,804,069,129.89
  5. Step 5: Solve for x
    x = 92,804,069,129.89/361,011.31
  6. Step 6: Final answer
    x = 257,066.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.