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Finding the Fourth Proportional to 527.29, 790.92 and 162.07

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Solution

The fourth proportional to 527.29, 790.92 and 162.07 is: 243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.29 : 790.92 = 162.07 : x
  2. Step 2: Convert to fraction form
    527.29/790.92 = 162.07/x
  3. Step 3: Cross multiply
    527.29x = 790.92 × 162.07
  4. Step 4: Simplify right side
    527.29x = 128,182.43
  5. Step 5: Solve for x
    x = 128,182.43/527.29
  6. Step 6: Final answer
    x = 243.10

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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.