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Finding the Fourth Proportional to 524.21, 786.76 and 362.00

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Solution

The fourth proportional to 524.21, 786.76 and 362.00 is: 543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.21 : 786.76 = 362.00 : x
  2. Step 2: Convert to fraction form
    524.21/786.76 = 362.00/x
  3. Step 3: Cross multiply
    524.21x = 786.76 × 362.00
  4. Step 4: Simplify right side
    524.21x = 284,810.22
  5. Step 5: Solve for x
    x = 284,810.22/524.21
  6. Step 6: Final answer
    x = 543.32

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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.