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Finding the Fourth Proportional to 555.24, 832.22 and 527.72

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Solution

The fourth proportional to 555.24, 832.22 and 527.72 is: 790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.24 : 832.22 = 527.72 : x
  2. Step 2: Convert to fraction form
    555.24/832.22 = 527.72/x
  3. Step 3: Cross multiply
    555.24x = 832.22 × 527.72
  4. Step 4: Simplify right side
    555.24x = 439,179.14
  5. Step 5: Solve for x
    x = 439,179.14/555.24
  6. Step 6: Final answer
    x = 790.97

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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.