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Finding the Fourth Proportional to 704.12, 1,056.52 and 531.83

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Solution

The fourth proportional to 704.12, 1,056.52 and 531.83 is: 798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.12 : 1,056.52 = 531.83 : x
  2. Step 2: Convert to fraction form
    704.12/1,056.52 = 531.83/x
  3. Step 3: Cross multiply
    704.12x = 1,056.52 × 531.83
  4. Step 4: Simplify right side
    704.12x = 561,892.34
  5. Step 5: Solve for x
    x = 561,892.34/704.12
  6. Step 6: Final answer
    x = 798.01

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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.