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Finding the Fourth Proportional to 444,131.68, 612,886.44 and 253,206.56

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Solution

The fourth proportional to 444,131.68, 612,886.44 and 253,206.56 is: 349,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,131.68 : 612,886.44 = 253,206.56 : x
  2. Step 2: Convert to fraction form
    444,131.68/612,886.44 = 253,206.56/x
  3. Step 3: Cross multiply
    444,131.68x = 612,886.44 × 253,206.56
  4. Step 4: Simplify right side
    444,131.68x = 155,186,867,143.05
  5. Step 5: Solve for x
    x = 155,186,867,143.05/444,131.68
  6. Step 6: Final answer
    x = 349,416.34

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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.