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Finding the Fourth Proportional to 844.99, 1,165.98 and 471.98

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Solution

The fourth proportional to 844.99, 1,165.98 and 471.98 is: 651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.99 : 1,165.98 = 471.98 : x
  2. Step 2: Convert to fraction form
    844.99/1,165.98 = 471.98/x
  3. Step 3: Cross multiply
    844.99x = 1,165.98 × 471.98
  4. Step 4: Simplify right side
    844.99x = 550,319.24
  5. Step 5: Solve for x
    x = 550,319.24/844.99
  6. Step 6: Final answer
    x = 651.27

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1.5x scale

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.