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Finding the Fourth Proportional to 754.04, 1,041.18 and 606.20

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Solution

The fourth proportional to 754.04, 1,041.18 and 606.20 is: 837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.04 : 1,041.18 = 606.20 : x
  2. Step 2: Convert to fraction form
    754.04/1,041.18 = 606.20/x
  3. Step 3: Cross multiply
    754.04x = 1,041.18 × 606.20
  4. Step 4: Simplify right side
    754.04x = 631,163.32
  5. Step 5: Solve for x
    x = 631,163.32/754.04
  6. Step 6: Final answer
    x = 837.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.