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Finding the Fourth Proportional to 795.48, 1,098.20 and 534.88

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Solution

The fourth proportional to 795.48, 1,098.20 and 534.88 is: 738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.48 : 1,098.20 = 534.88 : x
  2. Step 2: Convert to fraction form
    795.48/1,098.20 = 534.88/x
  3. Step 3: Cross multiply
    795.48x = 1,098.20 × 534.88
  4. Step 4: Simplify right side
    795.48x = 587,405.22
  5. Step 5: Solve for x
    x = 587,405.22/795.48
  6. Step 6: Final answer
    x = 738.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.