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Finding the Fourth Proportional to 328,112.53, 491,721.32 and 167,852.93

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Solution

The fourth proportional to 328,112.53, 491,721.32 and 167,852.93 is: 251,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,112.53 : 491,721.32 = 167,852.93 : x
  2. Step 2: Convert to fraction form
    328,112.53/491,721.32 = 167,852.93/x
  3. Step 3: Cross multiply
    328,112.53x = 491,721.32 × 167,852.93
  4. Step 4: Simplify right side
    328,112.53x = 82,536,866,179.35
  5. Step 5: Solve for x
    x = 82,536,866,179.35/328,112.53
  6. Step 6: Final answer
    x = 251,550.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.