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Finding the Fourth Proportional to 873.27, 1,203.89 and 593.52

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Solution

The fourth proportional to 873.27, 1,203.89 and 593.52 is: 818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    873.27 : 1,203.89 = 593.52 : x
  2. Step 2: Convert to fraction form
    873.27/1,203.89 = 593.52/x
  3. Step 3: Cross multiply
    873.27x = 1,203.89 × 593.52
  4. Step 4: Simplify right side
    873.27x = 714,529.83
  5. Step 5: Solve for x
    x = 714,529.83/873.27
  6. Step 6: Final answer
    x = 818.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.