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Finding the Fourth Proportional to 955.35, 1,432.68 and 362.24

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Solution

The fourth proportional to 955.35, 1,432.68 and 362.24 is: 543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.35 : 1,432.68 = 362.24 : x
  2. Step 2: Convert to fraction form
    955.35/1,432.68 = 362.24/x
  3. Step 3: Cross multiply
    955.35x = 1,432.68 × 362.24
  4. Step 4: Simplify right side
    955.35x = 518,966.84
  5. Step 5: Solve for x
    x = 518,966.84/955.35
  6. Step 6: Final answer
    x = 543.22

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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.