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Finding the Fourth Proportional to 472.15, 708.56 and 350.04

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Solution

The fourth proportional to 472.15, 708.56 and 350.04 is: 525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.15 : 708.56 = 350.04 : x
  2. Step 2: Convert to fraction form
    472.15/708.56 = 350.04/x
  3. Step 3: Cross multiply
    472.15x = 708.56 × 350.04
  4. Step 4: Simplify right side
    472.15x = 248,024.34
  5. Step 5: Solve for x
    x = 248,024.34/472.15
  6. Step 6: Final answer
    x = 525.31

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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.