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Finding the Fourth Proportional to 937.88, 1,294.08 and 564.92

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Solution

The fourth proportional to 937.88, 1,294.08 and 564.92 is: 779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.88 : 1,294.08 = 564.92 : x
  2. Step 2: Convert to fraction form
    937.88/1,294.08 = 564.92/x
  3. Step 3: Cross multiply
    937.88x = 1,294.08 × 564.92
  4. Step 4: Simplify right side
    937.88x = 731,051.67
  5. Step 5: Solve for x
    x = 731,051.67/937.88
  6. Step 6: Final answer
    x = 779.47

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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.