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Finding the Fourth Proportional to 965,610.60, 1,448,408.70 and 291,690.60

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Solution

The fourth proportional to 965,610.60, 1,448,408.70 and 291,690.60 is: 437,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,610.60 : 1,448,408.70 = 291,690.60 : x
  2. Step 2: Convert to fraction form
    965,610.60/1,448,408.70 = 291,690.60/x
  3. Step 3: Cross multiply
    965,610.60x = 1,448,408.70 × 291,690.60
  4. Step 4: Simplify right side
    965,610.60x = 422,487,202,748.22
  5. Step 5: Solve for x
    x = 422,487,202,748.22/965,610.60
  6. Step 6: Final answer
    x = 437,533.73

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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.