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Finding the Fourth Proportional to 330,256.44, 455,756.22 and 179,353.44

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Solution

The fourth proportional to 330,256.44, 455,756.22 and 179,353.44 is: 247,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,256.44 : 455,756.22 = 179,353.44 : x
  2. Step 2: Convert to fraction form
    330,256.44/455,756.22 = 179,353.44/x
  3. Step 3: Cross multiply
    330,256.44x = 455,756.22 × 179,353.44
  4. Step 4: Simplify right side
    330,256.44x = 81,741,445,858.40
  5. Step 5: Solve for x
    x = 81,741,445,858.40/330,256.44
  6. Step 6: Final answer
    x = 247,509.01

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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.