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Finding the Fourth Proportional to 432.88, 597.44 and 406.52

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Solution

The fourth proportional to 432.88, 597.44 and 406.52 is: 561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.88 : 597.44 = 406.52 : x
  2. Step 2: Convert to fraction form
    432.88/597.44 = 406.52/x
  3. Step 3: Cross multiply
    432.88x = 597.44 × 406.52
  4. Step 4: Simplify right side
    432.88x = 242,871.58
  5. Step 5: Solve for x
    x = 242,871.58/432.88
  6. Step 6: Final answer
    x = 561.06

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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.