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Finding the Fourth Proportional to 332,181.80, 498,272.70 and 319,059.80

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Solution

The fourth proportional to 332,181.80, 498,272.70 and 319,059.80 is: 478,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,181.80 : 498,272.70 = 319,059.80 : x
  2. Step 2: Convert to fraction form
    332,181.80/498,272.70 = 319,059.80/x
  3. Step 3: Cross multiply
    332,181.80x = 498,272.70 × 319,059.80
  4. Step 4: Simplify right side
    332,181.80x = 158,978,788,007.46
  5. Step 5: Solve for x
    x = 158,978,788,007.46/332,181.80
  6. Step 6: Final answer
    x = 478,589.70

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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.