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Finding the Fourth Proportional to 433.64, 598 and 340.24

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Solution

The fourth proportional to 433.64, 598 and 340.24 is: 469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.64 : 598 = 340.24 : x
  2. Step 2: Convert to fraction form
    433.64/598 = 340.24/x
  3. Step 3: Cross multiply
    433.64x = 598 × 340.24
  4. Step 4: Simplify right side
    433.64x = 203,463.52
  5. Step 5: Solve for x
    x = 203,463.52/433.64
  6. Step 6: Final answer
    x = 469.20

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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.