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Finding the Fourth Proportional to 524.06, 786 and 177.36

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Solution

The fourth proportional to 524.06, 786 and 177.36 is: 266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.06 : 786 = 177.36 : x
  2. Step 2: Convert to fraction form
    524.06/786 = 177.36/x
  3. Step 3: Cross multiply
    524.06x = 786 × 177.36
  4. Step 4: Simplify right side
    524.06x = 139,404.96
  5. Step 5: Solve for x
    x = 139,404.96/524.06
  6. Step 6: Final answer
    x = 266.01

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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.