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Finding the Fourth Proportional to 240,012.60, 360,018.90 and 222,516.60

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Solution

The fourth proportional to 240,012.60, 360,018.90 and 222,516.60 is: 333,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,012.60 : 360,018.90 = 222,516.60 : x
  2. Step 2: Convert to fraction form
    240,012.60/360,018.90 = 222,516.60/x
  3. Step 3: Cross multiply
    240,012.60x = 360,018.90 × 222,516.60
  4. Step 4: Simplify right side
    240,012.60x = 80,110,181,563.74
  5. Step 5: Solve for x
    x = 80,110,181,563.74/240,012.60
  6. Step 6: Final answer
    x = 333,774.90

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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.