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Finding the Fourth Proportional to 1,230.66, 1,846.48 and 500.29

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Solution

The fourth proportional to 1,230.66, 1,846.48 and 500.29 is: 750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.66 : 1,846.48 = 500.29 : x
  2. Step 2: Convert to fraction form
    1,230.66/1,846.48 = 500.29/x
  3. Step 3: Cross multiply
    1,230.66x = 1,846.48 × 500.29
  4. Step 4: Simplify right side
    1,230.66x = 923,775.48
  5. Step 5: Solve for x
    x = 923,775.48/1,230.66
  6. Step 6: Final answer
    x = 750.63

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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.