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Finding the Fourth Proportional to 573.24, 858.66 and 475.50

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Solution

The fourth proportional to 573.24, 858.66 and 475.50 is: 712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.24 : 858.66 = 475.50 : x
  2. Step 2: Convert to fraction form
    573.24/858.66 = 475.50/x
  3. Step 3: Cross multiply
    573.24x = 858.66 × 475.50
  4. Step 4: Simplify right side
    573.24x = 408,292.83
  5. Step 5: Solve for x
    x = 408,292.83/573.24
  6. Step 6: Final answer
    x = 712.25

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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.