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Finding the Fourth Proportional to 1,094.61, 1,510.49 and 622.52

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Solution

The fourth proportional to 1,094.61, 1,510.49 and 622.52 is: 859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.61 : 1,510.49 = 622.52 : x
  2. Step 2: Convert to fraction form
    1,094.61/1,510.49 = 622.52/x
  3. Step 3: Cross multiply
    1,094.61x = 1,510.49 × 622.52
  4. Step 4: Simplify right side
    1,094.61x = 940,299.57
  5. Step 5: Solve for x
    x = 940,299.57/1,094.61
  6. Step 6: Final answer
    x = 859.03

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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.