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Finding the Fourth Proportional to 240,429.80, 360,774.30 and 100,202.60

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Solution

The fourth proportional to 240,429.80, 360,774.30 and 100,202.60 is: 150,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,429.80 : 360,774.30 = 100,202.60 : x
  2. Step 2: Convert to fraction form
    240,429.80/360,774.30 = 100,202.60/x
  3. Step 3: Cross multiply
    240,429.80x = 360,774.30 × 100,202.60
  4. Step 4: Simplify right side
    240,429.80x = 36,150,522,873.18
  5. Step 5: Solve for x
    x = 36,150,522,873.18/240,429.80
  6. Step 6: Final answer
    x = 150,357.91

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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.