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Finding the Fourth Proportional to 339,785.56, 509,610.30 and 322,924.60

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Solution

The fourth proportional to 339,785.56, 509,610.30 and 322,924.60 is: 484,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,785.56 : 509,610.30 = 322,924.60 : x
  2. Step 2: Convert to fraction form
    339,785.56/509,610.30 = 322,924.60/x
  3. Step 3: Cross multiply
    339,785.56x = 509,610.30 × 322,924.60
  4. Step 4: Simplify right side
    339,785.56x = 164,565,702,283.38
  5. Step 5: Solve for x
    x = 164,565,702,283.38/339,785.56
  6. Step 6: Final answer
    x = 484,322.24

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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.