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Finding the Fourth Proportional to 1,482.83, 2,224.35 and 442.75

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Solution

The fourth proportional to 1,482.83, 2,224.35 and 442.75 is: 664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.83 : 2,224.35 = 442.75 : x
  2. Step 2: Convert to fraction form
    1,482.83/2,224.35 = 442.75/x
  3. Step 3: Cross multiply
    1,482.83x = 2,224.35 × 442.75
  4. Step 4: Simplify right side
    1,482.83x = 984,830.82
  5. Step 5: Solve for x
    x = 984,830.82/1,482.83
  6. Step 6: Final answer
    x = 664.16

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1.5x scale

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.