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Finding the Fourth Proportional to 2,308.95, 3,463.43 and 577.57

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Solution

The fourth proportional to 2,308.95, 3,463.43 and 577.57 is: 866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.95 : 3,463.43 = 577.57 : x
  2. Step 2: Convert to fraction form
    2,308.95/3,463.43 = 577.57/x
  3. Step 3: Cross multiply
    2,308.95x = 3,463.43 × 577.57
  4. Step 4: Simplify right side
    2,308.95x = 2,000,373.27
  5. Step 5: Solve for x
    x = 2,000,373.27/2,308.95
  6. Step 6: Final answer
    x = 866.36

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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.