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Finding the Fourth Proportional to 245,099.60, 367,649.40 and 220,216.40

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Solution

The fourth proportional to 245,099.60, 367,649.40 and 220,216.40 is: 330,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,099.60 : 367,649.40 = 220,216.40 : x
  2. Step 2: Convert to fraction form
    245,099.60/367,649.40 = 220,216.40/x
  3. Step 3: Cross multiply
    245,099.60x = 367,649.40 × 220,216.40
  4. Step 4: Simplify right side
    245,099.60x = 80,962,427,330.16
  5. Step 5: Solve for x
    x = 80,962,427,330.16/245,099.60
  6. Step 6: Final answer
    x = 330,324.60

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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.