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Finding the Fourth Proportional to 2,046.32, 3,069.47 and 507.32

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Solution

The fourth proportional to 2,046.32, 3,069.47 and 507.32 is: 760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.32 : 3,069.47 = 507.32 : x
  2. Step 2: Convert to fraction form
    2,046.32/3,069.47 = 507.32/x
  3. Step 3: Cross multiply
    2,046.32x = 3,069.47 × 507.32
  4. Step 4: Simplify right side
    2,046.32x = 1,557,188.17
  5. Step 5: Solve for x
    x = 1,557,188.17/2,046.32
  6. Step 6: Final answer
    x = 760.97

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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.