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Finding the Fourth Proportional to 471.48, 707.04 and 334.32

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Solution

The fourth proportional to 471.48, 707.04 and 334.32 is: 501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.48 : 707.04 = 334.32 : x
  2. Step 2: Convert to fraction form
    471.48/707.04 = 334.32/x
  3. Step 3: Cross multiply
    471.48x = 707.04 × 334.32
  4. Step 4: Simplify right side
    471.48x = 236,377.61
  5. Step 5: Solve for x
    x = 236,377.61/471.48
  6. Step 6: Final answer
    x = 501.35

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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.