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Finding the Fourth Proportional to 906.55, 1,359.98 and 467.63

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Solution

The fourth proportional to 906.55, 1,359.98 and 467.63 is: 701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.55 : 1,359.98 = 467.63 : x
  2. Step 2: Convert to fraction form
    906.55/1,359.98 = 467.63/x
  3. Step 3: Cross multiply
    906.55x = 1,359.98 × 467.63
  4. Step 4: Simplify right side
    906.55x = 635,967.45
  5. Step 5: Solve for x
    x = 635,967.45/906.55
  6. Step 6: Final answer
    x = 701.52

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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.