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Finding the Fourth Proportional to 852.14, 1,174.53 and 603.14

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Solution

The fourth proportional to 852.14, 1,174.53 and 603.14 is: 831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.14 : 1,174.53 = 603.14 : x
  2. Step 2: Convert to fraction form
    852.14/1,174.53 = 603.14/x
  3. Step 3: Cross multiply
    852.14x = 1,174.53 × 603.14
  4. Step 4: Simplify right side
    852.14x = 708,400.15
  5. Step 5: Solve for x
    x = 708,400.15/852.14
  6. Step 6: Final answer
    x = 831.32

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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.