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Finding the Fourth Proportional to 704.37, 1,056.46 and 293.46

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Solution

The fourth proportional to 704.37, 1,056.46 and 293.46 is: 440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.37 : 1,056.46 = 293.46 : x
  2. Step 2: Convert to fraction form
    704.37/1,056.46 = 293.46/x
  3. Step 3: Cross multiply
    704.37x = 1,056.46 × 293.46
  4. Step 4: Simplify right side
    704.37x = 310,028.75
  5. Step 5: Solve for x
    x = 310,028.75/704.37
  6. Step 6: Final answer
    x = 440.15

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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.