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Finding the Fourth Proportional to 694.07, 957.42 and 432.24

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Solution

The fourth proportional to 694.07, 957.42 and 432.24 is: 596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.07 : 957.42 = 432.24 : x
  2. Step 2: Convert to fraction form
    694.07/957.42 = 432.24/x
  3. Step 3: Cross multiply
    694.07x = 957.42 × 432.24
  4. Step 4: Simplify right side
    694.07x = 413,831.63
  5. Step 5: Solve for x
    x = 413,831.63/694.07
  6. Step 6: Final answer
    x = 596.24

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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.