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Finding the Fourth Proportional to 222,036.80, 332,180.40 and 192,779.60

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Solution

The fourth proportional to 222,036.80, 332,180.40 and 192,779.60 is: 288,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,036.80 : 332,180.40 = 192,779.60 : x
  2. Step 2: Convert to fraction form
    222,036.80/332,180.40 = 192,779.60/x
  3. Step 3: Cross multiply
    222,036.80x = 332,180.40 × 192,779.60
  4. Step 4: Simplify right side
    222,036.80x = 64,037,604,639.84
  5. Step 5: Solve for x
    x = 64,037,604,639.84/222,036.80
  6. Step 6: Final answer
    x = 288,409.87

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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.