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Finding the Fourth Proportional to 542.01, 812.79 and 176.70

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Solution

The fourth proportional to 542.01, 812.79 and 176.70 is: 264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    542.01 : 812.79 = 176.70 : x
  2. Step 2: Convert to fraction form
    542.01/812.79 = 176.70/x
  3. Step 3: Cross multiply
    542.01x = 812.79 × 176.70
  4. Step 4: Simplify right side
    542.01x = 143,619.99
  5. Step 5: Solve for x
    x = 143,619.99/542.01
  6. Step 6: Final answer
    x = 264.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.