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Finding the Fourth Proportional to 1,232.18, 1,700.42 and 734.82

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Solution

The fourth proportional to 1,232.18, 1,700.42 and 734.82 is: 1,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.18 : 1,700.42 = 734.82 : x
  2. Step 2: Convert to fraction form
    1,232.18/1,700.42 = 734.82/x
  3. Step 3: Cross multiply
    1,232.18x = 1,700.42 × 734.82
  4. Step 4: Simplify right side
    1,232.18x = 1,249,502.62
  5. Step 5: Solve for x
    x = 1,249,502.62/1,232.18
  6. Step 6: Final answer
    x = 1,014.06

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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.