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Finding the Fourth Proportional to 351,505.80, 526,029.90 and 322,014.60

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Solution

The fourth proportional to 351,505.80, 526,029.90 and 322,014.60 is: 481,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,505.80 : 526,029.90 = 322,014.60 : x
  2. Step 2: Convert to fraction form
    351,505.80/526,029.90 = 322,014.60/x
  3. Step 3: Cross multiply
    351,505.80x = 526,029.90 × 322,014.60
  4. Step 4: Simplify right side
    351,505.80x = 169,389,307,836.54
  5. Step 5: Solve for x
    x = 169,389,307,836.54/351,505.80
  6. Step 6: Final answer
    x = 481,896.20

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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.