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Finding the Fourth Proportional to 1,070.14, 1,476.93 and 604.48

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Solution

The fourth proportional to 1,070.14, 1,476.93 and 604.48 is: 834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.14 : 1,476.93 = 604.48 : x
  2. Step 2: Convert to fraction form
    1,070.14/1,476.93 = 604.48/x
  3. Step 3: Cross multiply
    1,070.14x = 1,476.93 × 604.48
  4. Step 4: Simplify right side
    1,070.14x = 892,774.65
  5. Step 5: Solve for x
    x = 892,774.65/1,070.14
  6. Step 6: Final answer
    x = 834.26

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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.