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Finding the Fourth Proportional to 1,458.84, 2,188.23 and 363.22

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Solution

The fourth proportional to 1,458.84, 2,188.23 and 363.22 is: 544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.84 : 2,188.23 = 363.22 : x
  2. Step 2: Convert to fraction form
    1,458.84/2,188.23 = 363.22/x
  3. Step 3: Cross multiply
    1,458.84x = 2,188.23 × 363.22
  4. Step 4: Simplify right side
    1,458.84x = 794,808.90
  5. Step 5: Solve for x
    x = 794,808.90/1,458.84
  6. Step 6: Final answer
    x = 544.82

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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.