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Finding the Fourth Proportional to 1,092.99, 1,639.04 and 362.42

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Solution

The fourth proportional to 1,092.99, 1,639.04 and 362.42 is: 543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.99 : 1,639.04 = 362.42 : x
  2. Step 2: Convert to fraction form
    1,092.99/1,639.04 = 362.42/x
  3. Step 3: Cross multiply
    1,092.99x = 1,639.04 × 362.42
  4. Step 4: Simplify right side
    1,092.99x = 594,026.24
  5. Step 5: Solve for x
    x = 594,026.24/1,092.99
  6. Step 6: Final answer
    x = 543.49

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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.