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Finding the Fourth Proportional to 1,681.48, 2,523.04 and 585.36

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Solution

The fourth proportional to 1,681.48, 2,523.04 and 585.36 is: 878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681.48 : 2,523.04 = 585.36 : x
  2. Step 2: Convert to fraction form
    1,681.48/2,523.04 = 585.36/x
  3. Step 3: Cross multiply
    1,681.48x = 2,523.04 × 585.36
  4. Step 4: Simplify right side
    1,681.48x = 1,476,886.69
  5. Step 5: Solve for x
    x = 1,476,886.69/1,681.48
  6. Step 6: Final answer
    x = 878.33

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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.