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Finding the Fourth Proportional to 1,074.04, 1,482.14 and 608.29

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Solution

The fourth proportional to 1,074.04, 1,482.14 and 608.29 is: 839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.04 : 1,482.14 = 608.29 : x
  2. Step 2: Convert to fraction form
    1,074.04/1,482.14 = 608.29/x
  3. Step 3: Cross multiply
    1,074.04x = 1,482.14 × 608.29
  4. Step 4: Simplify right side
    1,074.04x = 901,570.94
  5. Step 5: Solve for x
    x = 901,570.94/1,074.04
  6. Step 6: Final answer
    x = 839.42

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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.