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Finding the Fourth Proportional to 329,996.16, 455,392.32 and 179,089.92

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Solution

The fourth proportional to 329,996.16, 455,392.32 and 179,089.92 is: 247,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,996.16 : 455,392.32 = 179,089.92 : x
  2. Step 2: Convert to fraction form
    329,996.16/455,392.32 = 179,089.92/x
  3. Step 3: Cross multiply
    329,996.16x = 455,392.32 × 179,089.92
  4. Step 4: Simplify right side
    329,996.16x = 81,556,174,157.41
  5. Step 5: Solve for x
    x = 81,556,174,157.41/329,996.16
  6. Step 6: Final answer
    x = 247,142.80

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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.