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Finding the Fourth Proportional to 583.37, 874.43 and 294.20

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Solution

The fourth proportional to 583.37, 874.43 and 294.20 is: 440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.37 : 874.43 = 294.20 : x
  2. Step 2: Convert to fraction form
    583.37/874.43 = 294.20/x
  3. Step 3: Cross multiply
    583.37x = 874.43 × 294.20
  4. Step 4: Simplify right side
    583.37x = 257,251.46
  5. Step 5: Solve for x
    x = 257,251.46/583.37
  6. Step 6: Final answer
    x = 440.98

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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.