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Finding the Fourth Proportional to 313,484.16, 432,611.04 and 170,245.44

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Solution

The fourth proportional to 313,484.16, 432,611.04 and 170,245.44 is: 234,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,484.16 : 432,611.04 = 170,245.44 : x
  2. Step 2: Convert to fraction form
    313,484.16/432,611.04 = 170,245.44/x
  3. Step 3: Cross multiply
    313,484.16x = 432,611.04 × 170,245.44
  4. Step 4: Simplify right side
    313,484.16x = 73,650,056,853.66
  5. Step 5: Solve for x
    x = 73,650,056,853.66/313,484.16
  6. Step 6: Final answer
    x = 234,940.28

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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.