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Finding the Fourth Proportional to 1,574.04, 2,361.38 and 533.77

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Solution

The fourth proportional to 1,574.04, 2,361.38 and 533.77 is: 800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.04 : 2,361.38 = 533.77 : x
  2. Step 2: Convert to fraction form
    1,574.04/2,361.38 = 533.77/x
  3. Step 3: Cross multiply
    1,574.04x = 2,361.38 × 533.77
  4. Step 4: Simplify right side
    1,574.04x = 1,260,425.23
  5. Step 5: Solve for x
    x = 1,260,425.23/1,574.04
  6. Step 6: Final answer
    x = 800.76

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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.