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Finding the Fourth Proportional to 360,833.31, 541,370.21 and 120,970.93

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Solution

The fourth proportional to 360,833.31, 541,370.21 and 120,970.93 is: 181,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,833.31 : 541,370.21 = 120,970.93 : x
  2. Step 2: Convert to fraction form
    360,833.31/541,370.21 = 120,970.93/x
  3. Step 3: Cross multiply
    360,833.31x = 541,370.21 × 120,970.93
  4. Step 4: Simplify right side
    360,833.31x = 65,490,056,424.57
  5. Step 5: Solve for x
    x = 65,490,056,424.57/360,833.31
  6. Step 6: Final answer
    x = 181,496.70

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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.