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Finding the Fourth Proportional to 774.04, 1,158.20 and 466.10

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Solution

The fourth proportional to 774.04, 1,158.20 and 466.10 is: 697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    774.04 : 1,158.20 = 466.10 : x
  2. Step 2: Convert to fraction form
    774.04/1,158.20 = 466.10/x
  3. Step 3: Cross multiply
    774.04x = 1,158.20 × 466.10
  4. Step 4: Simplify right side
    774.04x = 539,837.02
  5. Step 5: Solve for x
    x = 539,837.02/774.04
  6. Step 6: Final answer
    x = 697.43

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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.