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Finding the Fourth Proportional to 1,483.29, 2,224.92 and 509.46

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Solution

The fourth proportional to 1,483.29, 2,224.92 and 509.46 is: 764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.29 : 2,224.92 = 509.46 : x
  2. Step 2: Convert to fraction form
    1,483.29/2,224.92 = 509.46/x
  3. Step 3: Cross multiply
    1,483.29x = 2,224.92 × 509.46
  4. Step 4: Simplify right side
    1,483.29x = 1,133,507.74
  5. Step 5: Solve for x
    x = 1,133,507.74/1,483.29
  6. Step 6: Final answer
    x = 764.18

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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.