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Finding the Fourth Proportional to 469.52, 703.76 and 353.59

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Solution

The fourth proportional to 469.52, 703.76 and 353.59 is: 529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.52 : 703.76 = 353.59 : x
  2. Step 2: Convert to fraction form
    469.52/703.76 = 353.59/x
  3. Step 3: Cross multiply
    469.52x = 703.76 × 353.59
  4. Step 4: Simplify right side
    469.52x = 248,843.93
  5. Step 5: Solve for x
    x = 248,843.93/469.52
  6. Step 6: Final answer
    x = 529.99

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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.