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Finding the Fourth Proportional to 1,483.47, 2,223.66 and 605.59

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Solution

The fourth proportional to 1,483.47, 2,223.66 and 605.59 is: 907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.47 : 2,223.66 = 605.59 : x
  2. Step 2: Convert to fraction form
    1,483.47/2,223.66 = 605.59/x
  3. Step 3: Cross multiply
    1,483.47x = 2,223.66 × 605.59
  4. Step 4: Simplify right side
    1,483.47x = 1,346,622.97
  5. Step 5: Solve for x
    x = 1,346,622.97/1,483.47
  6. Step 6: Final answer
    x = 907.75

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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.