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Finding the Fourth Proportional to 1,074.04, 1,482.30 and 608.32

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Solution

The fourth proportional to 1,074.04, 1,482.30 and 608.32 is: 839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.04 : 1,482.30 = 608.32 : x
  2. Step 2: Convert to fraction form
    1,074.04/1,482.30 = 608.32/x
  3. Step 3: Cross multiply
    1,074.04x = 1,482.30 × 608.32
  4. Step 4: Simplify right side
    1,074.04x = 901,712.74
  5. Step 5: Solve for x
    x = 901,712.74/1,074.04
  6. Step 6: Final answer
    x = 839.55

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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.