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Finding the Fourth Proportional to 469.30, 701.97 and 346.36

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Solution

The fourth proportional to 469.30, 701.97 and 346.36 is: 518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.30 : 701.97 = 346.36 : x
  2. Step 2: Convert to fraction form
    469.30/701.97 = 346.36/x
  3. Step 3: Cross multiply
    469.30x = 701.97 × 346.36
  4. Step 4: Simplify right side
    469.30x = 243,134.33
  5. Step 5: Solve for x
    x = 243,134.33/469.30
  6. Step 6: Final answer
    x = 518.08

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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.