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Finding the Fourth Proportional to 500.26, 751.59 and 472.63

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Solution

The fourth proportional to 500.26, 751.59 and 472.63 is: 710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.26 : 751.59 = 472.63 : x
  2. Step 2: Convert to fraction form
    500.26/751.59 = 472.63/x
  3. Step 3: Cross multiply
    500.26x = 751.59 × 472.63
  4. Step 4: Simplify right side
    500.26x = 355,223.98
  5. Step 5: Solve for x
    x = 355,223.98/500.26
  6. Step 6: Final answer
    x = 710.08

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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.