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Finding the Fourth Proportional to 692.93, 956.41 and 444.47

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Solution

The fourth proportional to 692.93, 956.41 and 444.47 is: 613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.93 : 956.41 = 444.47 : x
  2. Step 2: Convert to fraction form
    692.93/956.41 = 444.47/x
  3. Step 3: Cross multiply
    692.93x = 956.41 × 444.47
  4. Step 4: Simplify right side
    692.93x = 425,089.66
  5. Step 5: Solve for x
    x = 425,089.66/692.93
  6. Step 6: Final answer
    x = 613.46

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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.