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Finding the Fourth Proportional to 2,308.50, 3,462.75 and 577.17

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Solution

The fourth proportional to 2,308.50, 3,462.75 and 577.17 is: 865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.50 : 3,462.75 = 577.17 : x
  2. Step 2: Convert to fraction form
    2,308.50/3,462.75 = 577.17/x
  3. Step 3: Cross multiply
    2,308.50x = 3,462.75 × 577.17
  4. Step 4: Simplify right side
    2,308.50x = 1,998,595.42
  5. Step 5: Solve for x
    x = 1,998,595.42/2,308.50
  6. Step 6: Final answer
    x = 865.76

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Double scale
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1.5x scale

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.