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Finding the Fourth Proportional to 897.22, 1,346.22 and 573.22

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Solution

The fourth proportional to 897.22, 1,346.22 and 573.22 is: 860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.22 : 1,346.22 = 573.22 : x
  2. Step 2: Convert to fraction form
    897.22/1,346.22 = 573.22/x
  3. Step 3: Cross multiply
    897.22x = 1,346.22 × 573.22
  4. Step 4: Simplify right side
    897.22x = 771,680.23
  5. Step 5: Solve for x
    x = 771,680.23/897.22
  6. Step 6: Final answer
    x = 860.08

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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.