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Finding the Fourth Proportional to 543,601.21, 750,544.99 and 339,743.77

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Solution

The fourth proportional to 543,601.21, 750,544.99 and 339,743.77 is: 469,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,601.21 : 750,544.99 = 339,743.77 : x
  2. Step 2: Convert to fraction form
    543,601.21/750,544.99 = 339,743.77/x
  3. Step 3: Cross multiply
    543,601.21x = 750,544.99 × 339,743.77
  4. Step 4: Simplify right side
    543,601.21x = 254,992,981,731.49
  5. Step 5: Solve for x
    x = 254,992,981,731.49/543,601.21
  6. Step 6: Final answer
    x = 469,080.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.