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Finding the Fourth Proportional to 556.32, 832.88 and 552.22

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Solution

The fourth proportional to 556.32, 832.88 and 552.22 is: 826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.32 : 832.88 = 552.22 : x
  2. Step 2: Convert to fraction form
    556.32/832.88 = 552.22/x
  3. Step 3: Cross multiply
    556.32x = 832.88 × 552.22
  4. Step 4: Simplify right side
    556.32x = 459,932.29
  5. Step 5: Solve for x
    x = 459,932.29/556.32
  6. Step 6: Final answer
    x = 826.74

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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.