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Finding the Fourth Proportional to 1,070.24, 1,476.93 and 604.49

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Solution

The fourth proportional to 1,070.24, 1,476.93 and 604.49 is: 834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.24 : 1,476.93 = 604.49 : x
  2. Step 2: Convert to fraction form
    1,070.24/1,476.93 = 604.49/x
  3. Step 3: Cross multiply
    1,070.24x = 1,476.93 × 604.49
  4. Step 4: Simplify right side
    1,070.24x = 892,789.42
  5. Step 5: Solve for x
    x = 892,789.42/1,070.24
  6. Step 6: Final answer
    x = 834.20

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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.