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Finding the Fourth Proportional to 735,992.60, 1,103,405.70 and 403,568.60

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Solution

The fourth proportional to 735,992.60, 1,103,405.70 and 403,568.60 is: 605,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,992.60 : 1,103,405.70 = 403,568.60 : x
  2. Step 2: Convert to fraction form
    735,992.60/1,103,405.70 = 403,568.60/x
  3. Step 3: Cross multiply
    735,992.60x = 1,103,405.70 × 403,568.60
  4. Step 4: Simplify right side
    735,992.60x = 445,299,893,581.02
  5. Step 5: Solve for x
    x = 445,299,893,581.02/735,992.60
  6. Step 6: Final answer
    x = 605,033.11

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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.