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Finding the Fourth Proportional to 1,094.16, 1,510.08 and 628.44

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Solution

The fourth proportional to 1,094.16, 1,510.08 and 628.44 is: 867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.16 : 1,510.08 = 628.44 : x
  2. Step 2: Convert to fraction form
    1,094.16/1,510.08 = 628.44/x
  3. Step 3: Cross multiply
    1,094.16x = 1,510.08 × 628.44
  4. Step 4: Simplify right side
    1,094.16x = 948,994.68
  5. Step 5: Solve for x
    x = 948,994.68/1,094.16
  6. Step 6: Final answer
    x = 867.33

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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.