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Finding the Fourth Proportional to 703.22, 1,051.95 and 588.02

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Solution

The fourth proportional to 703.22, 1,051.95 and 588.02 is: 879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.22 : 1,051.95 = 588.02 : x
  2. Step 2: Convert to fraction form
    703.22/1,051.95 = 588.02/x
  3. Step 3: Cross multiply
    703.22x = 1,051.95 × 588.02
  4. Step 4: Simplify right side
    703.22x = 618,567.64
  5. Step 5: Solve for x
    x = 618,567.64/703.22
  6. Step 6: Final answer
    x = 879.62

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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.