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Finding the Fourth Proportional to 313,568.60, 470,216.82 and 113,822.60

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Solution

The fourth proportional to 313,568.60, 470,216.82 and 113,822.60 is: 170,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,568.60 : 470,216.82 = 113,822.60 : x
  2. Step 2: Convert to fraction form
    313,568.60/470,216.82 = 113,822.60/x
  3. Step 3: Cross multiply
    313,568.60x = 470,216.82 × 113,822.60
  4. Step 4: Simplify right side
    313,568.60x = 53,521,301,016.13
  5. Step 5: Solve for x
    x = 53,521,301,016.13/313,568.60
  6. Step 6: Final answer
    x = 170,684.50

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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.