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Finding the Fourth Proportional to 1,482.62, 2,224.26 and 558.18

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Solution

The fourth proportional to 1,482.62, 2,224.26 and 558.18 is: 837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.62 : 2,224.26 = 558.18 : x
  2. Step 2: Convert to fraction form
    1,482.62/2,224.26 = 558.18/x
  3. Step 3: Cross multiply
    1,482.62x = 2,224.26 × 558.18
  4. Step 4: Simplify right side
    1,482.62x = 1,241,537.45
  5. Step 5: Solve for x
    x = 1,241,537.45/1,482.62
  6. Step 6: Final answer
    x = 837.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.