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Finding the Fourth Proportional to 444,008.37, 612,803.91 and 330,043.80

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Solution

The fourth proportional to 444,008.37, 612,803.91 and 330,043.80 is: 455,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,008.37 : 612,803.91 = 330,043.80 : x
  2. Step 2: Convert to fraction form
    444,008.37/612,803.91 = 330,043.80/x
  3. Step 3: Cross multiply
    444,008.37x = 612,803.91 × 330,043.80
  4. Step 4: Simplify right side
    444,008.37x = 202,252,131,111.26
  5. Step 5: Solve for x
    x = 202,252,131,111.26/444,008.37
  6. Step 6: Final answer
    x = 455,514.23

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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.