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Finding the Fourth Proportional to 1,449.99, 2,175.46 and 476.24

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Solution

The fourth proportional to 1,449.99, 2,175.46 and 476.24 is: 714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.99 : 2,175.46 = 476.24 : x
  2. Step 2: Convert to fraction form
    1,449.99/2,175.46 = 476.24/x
  3. Step 3: Cross multiply
    1,449.99x = 2,175.46 × 476.24
  4. Step 4: Simplify right side
    1,449.99x = 1,036,029.00
  5. Step 5: Solve for x
    x = 1,036,029.00/1,449.99
  6. Step 6: Final answer
    x = 714.51

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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.