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Finding the Fourth Proportional to 1,182.67, 1,773.54 and 402.53

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Solution

The fourth proportional to 1,182.67, 1,773.54 and 402.53 is: 603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.67 : 1,773.54 = 402.53 : x
  2. Step 2: Convert to fraction form
    1,182.67/1,773.54 = 402.53/x
  3. Step 3: Cross multiply
    1,182.67x = 1,773.54 × 402.53
  4. Step 4: Simplify right side
    1,182.67x = 713,903.06
  5. Step 5: Solve for x
    x = 713,903.06/1,182.67
  6. Step 6: Final answer
    x = 603.64

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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.