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Finding the Fourth Proportional to 848.22, 1,267.19 and 537.59

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Solution

The fourth proportional to 848.22, 1,267.19 and 537.59 is: 803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.22 : 1,267.19 = 537.59 : x
  2. Step 2: Convert to fraction form
    848.22/1,267.19 = 537.59/x
  3. Step 3: Cross multiply
    848.22x = 1,267.19 × 537.59
  4. Step 4: Simplify right side
    848.22x = 681,219.65
  5. Step 5: Solve for x
    x = 681,219.65/848.22
  6. Step 6: Final answer
    x = 803.12

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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.