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Finding the Fourth Proportional to 1,094.24, 1,510.08 and 622.24

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Solution

The fourth proportional to 1,094.24, 1,510.08 and 622.24 is: 858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.24 : 1,510.08 = 622.24 : x
  2. Step 2: Convert to fraction form
    1,094.24/1,510.08 = 622.24/x
  3. Step 3: Cross multiply
    1,094.24x = 1,510.08 × 622.24
  4. Step 4: Simplify right side
    1,094.24x = 939,632.18
  5. Step 5: Solve for x
    x = 939,632.18/1,094.24
  6. Step 6: Final answer
    x = 858.71

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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.