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Finding the Fourth Proportional to 774.08, 1,158.24 and 466.08

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Solution

The fourth proportional to 774.08, 1,158.24 and 466.08 is: 697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774.08 : 1,158.24 = 466.08 : x
  2. Step 2: Convert to fraction form
    774.08/1,158.24 = 466.08/x
  3. Step 3: Cross multiply
    774.08x = 1,158.24 × 466.08
  4. Step 4: Simplify right side
    774.08x = 539,832.50
  5. Step 5: Solve for x
    x = 539,832.50/774.08
  6. Step 6: Final answer
    x = 697.39

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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.