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Finding the Fourth Proportional to 1,041.53, 1,562.09 and 383.27

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Solution

The fourth proportional to 1,041.53, 1,562.09 and 383.27 is: 574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.53 : 1,562.09 = 383.27 : x
  2. Step 2: Convert to fraction form
    1,041.53/1,562.09 = 383.27/x
  3. Step 3: Cross multiply
    1,041.53x = 1,562.09 × 383.27
  4. Step 4: Simplify right side
    1,041.53x = 598,692.51
  5. Step 5: Solve for x
    x = 598,692.51/1,041.53
  6. Step 6: Final answer
    x = 574.82

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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.