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Finding the Fourth Proportional to 325,110.60, 487,665.90 and 103,494.60

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Solution

The fourth proportional to 325,110.60, 487,665.90 and 103,494.60 is: 155,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,110.60 : 487,665.90 = 103,494.60 : x
  2. Step 2: Convert to fraction form
    325,110.60/487,665.90 = 103,494.60/x
  3. Step 3: Cross multiply
    325,110.60x = 487,665.90 × 103,494.60
  4. Step 4: Simplify right side
    325,110.60x = 50,470,787,254.14
  5. Step 5: Solve for x
    x = 50,470,787,254.14/325,110.60
  6. Step 6: Final answer
    x = 155,241.90

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1.5x scale

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.