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Finding the Fourth Proportional to 397,276.30, 596,169.60 and 219,910.60

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Solution

The fourth proportional to 397,276.30, 596,169.60 and 219,910.60 is: 330,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,276.30 : 596,169.60 = 219,910.60 : x
  2. Step 2: Convert to fraction form
    397,276.30/596,169.60 = 219,910.60/x
  3. Step 3: Cross multiply
    397,276.30x = 596,169.60 × 219,910.60
  4. Step 4: Simplify right side
    397,276.30x = 131,104,014,437.76
  5. Step 5: Solve for x
    x = 131,104,014,437.76/397,276.30
  6. Step 6: Final answer
    x = 330,007.14

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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.