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Finding the Fourth Proportional to 554.22, 826.37 and 533.70

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Solution

The fourth proportional to 554.22, 826.37 and 533.70 is: 795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.22 : 826.37 = 533.70 : x
  2. Step 2: Convert to fraction form
    554.22/826.37 = 533.70/x
  3. Step 3: Cross multiply
    554.22x = 826.37 × 533.70
  4. Step 4: Simplify right side
    554.22x = 441,031.00
  5. Step 5: Solve for x
    x = 441,031.00/554.22
  6. Step 6: Final answer
    x = 795.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.