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Finding the Fourth Proportional to 1,267.37, 1,901.17 and 342.93

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Solution

The fourth proportional to 1,267.37, 1,901.17 and 342.93 is: 514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267.37 : 1,901.17 = 342.93 : x
  2. Step 2: Convert to fraction form
    1,267.37/1,901.17 = 342.93/x
  3. Step 3: Cross multiply
    1,267.37x = 1,901.17 × 342.93
  4. Step 4: Simplify right side
    1,267.37x = 651,975.79
  5. Step 5: Solve for x
    x = 651,975.79/1,267.37
  6. Step 6: Final answer
    x = 514.43

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