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Finding the Fourth Proportional to 1,067.51, 1,601.70 and 482.35

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Solution

The fourth proportional to 1,067.51, 1,601.70 and 482.35 is: 723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.51 : 1,601.70 = 482.35 : x
  2. Step 2: Convert to fraction form
    1,067.51/1,601.70 = 482.35/x
  3. Step 3: Cross multiply
    1,067.51x = 1,601.70 × 482.35
  4. Step 4: Simplify right side
    1,067.51x = 772,580.00
  5. Step 5: Solve for x
    x = 772,580.00/1,067.51
  6. Step 6: Final answer
    x = 723.72

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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.