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Finding the Fourth Proportional to 848.76, 1,269.16 and 604.54

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Solution

The fourth proportional to 848.76, 1,269.16 and 604.54 is: 903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.76 : 1,269.16 = 604.54 : x
  2. Step 2: Convert to fraction form
    848.76/1,269.16 = 604.54/x
  3. Step 3: Cross multiply
    848.76x = 1,269.16 × 604.54
  4. Step 4: Simplify right side
    848.76x = 767,257.99
  5. Step 5: Solve for x
    x = 767,257.99/848.76
  6. Step 6: Final answer
    x = 903.98

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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.