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Finding the Fourth Proportional to 795.21, 1,190.93 and 469.59

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Solution

The fourth proportional to 795.21, 1,190.93 and 469.59 is: 703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.21 : 1,190.93 = 469.59 : x
  2. Step 2: Convert to fraction form
    795.21/1,190.93 = 469.59/x
  3. Step 3: Cross multiply
    795.21x = 1,190.93 × 469.59
  4. Step 4: Simplify right side
    795.21x = 559,246.47
  5. Step 5: Solve for x
    x = 559,246.47/795.21
  6. Step 6: Final answer
    x = 703.27

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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.