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Finding the Fourth Proportional to 2,308.52, 3,462.70 and 577.12

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Solution

The fourth proportional to 2,308.52, 3,462.70 and 577.12 is: 865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.52 : 3,462.70 = 577.12 : x
  2. Step 2: Convert to fraction form
    2,308.52/3,462.70 = 577.12/x
  3. Step 3: Cross multiply
    2,308.52x = 3,462.70 × 577.12
  4. Step 4: Simplify right side
    2,308.52x = 1,998,393.42
  5. Step 5: Solve for x
    x = 1,998,393.42/2,308.52
  6. Step 6: Final answer
    x = 865.66

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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.