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Finding the Fourth Proportional to 1,070.17, 1,476.77 and 604.33

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Solution

The fourth proportional to 1,070.17, 1,476.77 and 604.33 is: 833.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.17 : 1,476.77 = 604.33 : x
  2. Step 2: Convert to fraction form
    1,070.17/1,476.77 = 604.33/x
  3. Step 3: Cross multiply
    1,070.17x = 1,476.77 × 604.33
  4. Step 4: Simplify right side
    1,070.17x = 892,453.39
  5. Step 5: Solve for x
    x = 892,453.39/1,070.17
  6. Step 6: Final answer
    x = 833.94

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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.