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Finding the Fourth Proportional to 1,360.98, 2,041.73 and 483.38

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Solution

The fourth proportional to 1,360.98, 2,041.73 and 483.38 is: 725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.98 : 2,041.73 = 483.38 : x
  2. Step 2: Convert to fraction form
    1,360.98/2,041.73 = 483.38/x
  3. Step 3: Cross multiply
    1,360.98x = 2,041.73 × 483.38
  4. Step 4: Simplify right side
    1,360.98x = 986,918.82
  5. Step 5: Solve for x
    x = 986,918.82/1,360.98
  6. Step 6: Final answer
    x = 725.15

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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.