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Finding the Fourth Proportional to 340,924.84, 511,305.25 and 104,269.57

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Solution

The fourth proportional to 340,924.84, 511,305.25 and 104,269.57 is: 156,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,924.84 : 511,305.25 = 104,269.57 : x
  2. Step 2: Convert to fraction form
    340,924.84/511,305.25 = 104,269.57/x
  3. Step 3: Cross multiply
    340,924.84x = 511,305.25 × 104,269.57
  4. Step 4: Simplify right side
    340,924.84x = 53,313,578,556.24
  5. Step 5: Solve for x
    x = 53,313,578,556.24/340,924.84
  6. Step 6: Final answer
    x = 156,379.27

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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.