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Finding the Fourth Proportional to 1,322.99, 1,984.77 and 501.27

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Solution

The fourth proportional to 1,322.99, 1,984.77 and 501.27 is: 752.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.99 : 1,984.77 = 501.27 : x
  2. Step 2: Convert to fraction form
    1,322.99/1,984.77 = 501.27/x
  3. Step 3: Cross multiply
    1,322.99x = 1,984.77 × 501.27
  4. Step 4: Simplify right side
    1,322.99x = 994,905.66
  5. Step 5: Solve for x
    x = 994,905.66/1,322.99
  6. Step 6: Final answer
    x = 752.02

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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.