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Finding the Fourth Proportional to 339,728.40, 509,592.60 and 333,896.40

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Solution

The fourth proportional to 339,728.40, 509,592.60 and 333,896.40 is: 500,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,728.40 : 509,592.60 = 333,896.40 : x
  2. Step 2: Convert to fraction form
    339,728.40/509,592.60 = 333,896.40/x
  3. Step 3: Cross multiply
    339,728.40x = 509,592.60 × 333,896.40
  4. Step 4: Simplify right side
    339,728.40x = 170,151,134,606.64
  5. Step 5: Solve for x
    x = 170,151,134,606.64/339,728.40
  6. Step 6: Final answer
    x = 500,844.60

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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.