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Finding the Fourth Proportional to 1,483.29, 2,224.92 and 617.59

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Solution

The fourth proportional to 1,483.29, 2,224.92 and 617.59 is: 926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.29 : 2,224.92 = 617.59 : x
  2. Step 2: Convert to fraction form
    1,483.29/2,224.92 = 617.59/x
  3. Step 3: Cross multiply
    1,483.29x = 2,224.92 × 617.59
  4. Step 4: Simplify right side
    1,483.29x = 1,374,088.34
  5. Step 5: Solve for x
    x = 1,374,088.34/1,483.29
  6. Step 6: Final answer
    x = 926.38

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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.