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Finding the Fourth Proportional to 1,190.64, 1,777.83 and 1,024.32

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Solution

The fourth proportional to 1,190.64, 1,777.83 and 1,024.32 is: 1,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.64 : 1,777.83 = 1,024.32 : x
  2. Step 2: Convert to fraction form
    1,190.64/1,777.83 = 1,024.32/x
  3. Step 3: Cross multiply
    1,190.64x = 1,777.83 × 1,024.32
  4. Step 4: Simplify right side
    1,190.64x = 1,821,066.83
  5. Step 5: Solve for x
    x = 1,821,066.83/1,190.64
  6. Step 6: Final answer
    x = 1,529.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.