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Finding the Fourth Proportional to 433.79, 597.75 and 368.18

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Solution

The fourth proportional to 433.79, 597.75 and 368.18 is: 507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.79 : 597.75 = 368.18 : x
  2. Step 2: Convert to fraction form
    433.79/597.75 = 368.18/x
  3. Step 3: Cross multiply
    433.79x = 597.75 × 368.18
  4. Step 4: Simplify right side
    433.79x = 220,076.61
  5. Step 5: Solve for x
    x = 220,076.61/433.79
  6. Step 6: Final answer
    x = 507.34

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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.