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Finding the Fourth Proportional to 339,723.40, 509,585.10 and 333,891.40

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Solution

The fourth proportional to 339,723.40, 509,585.10 and 333,891.40 is: 500,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,723.40 : 509,585.10 = 333,891.40 : x
  2. Step 2: Convert to fraction form
    339,723.40/509,585.10 = 333,891.40/x
  3. Step 3: Cross multiply
    339,723.40x = 509,585.10 × 333,891.40
  4. Step 4: Simplify right side
    339,723.40x = 170,146,082,458.14
  5. Step 5: Solve for x
    x = 170,146,082,458.14/339,723.40
  6. Step 6: Final answer
    x = 500,837.10

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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.