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Finding the Fourth Proportional to 572.26, 858.93 and 416.25

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Solution

The fourth proportional to 572.26, 858.93 and 416.25 is: 624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.26 : 858.93 = 416.25 : x
  2. Step 2: Convert to fraction form
    572.26/858.93 = 416.25/x
  3. Step 3: Cross multiply
    572.26x = 858.93 × 416.25
  4. Step 4: Simplify right side
    572.26x = 357,529.61
  5. Step 5: Solve for x
    x = 357,529.61/572.26
  6. Step 6: Final answer
    x = 624.77

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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.