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Finding the Fourth Proportional to 623.25, 937.01 and 572.02

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Solution

The fourth proportional to 623.25, 937.01 and 572.02 is: 859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.25 : 937.01 = 572.02 : x
  2. Step 2: Convert to fraction form
    623.25/937.01 = 572.02/x
  3. Step 3: Cross multiply
    623.25x = 937.01 × 572.02
  4. Step 4: Simplify right side
    623.25x = 535,987.55
  5. Step 5: Solve for x
    x = 535,987.55/623.25
  6. Step 6: Final answer
    x = 859.99

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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.