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Finding the Fourth Proportional to 328,967.46, 453,996.09 and 185,675.22

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Solution

The fourth proportional to 328,967.46, 453,996.09 and 185,675.22 is: 256,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,967.46 : 453,996.09 = 185,675.22 : x
  2. Step 2: Convert to fraction form
    328,967.46/453,996.09 = 185,675.22/x
  3. Step 3: Cross multiply
    328,967.46x = 453,996.09 × 185,675.22
  4. Step 4: Simplify right side
    328,967.46x = 84,295,823,889.89
  5. Step 5: Solve for x
    x = 84,295,823,889.89/328,967.46
  6. Step 6: Final answer
    x = 256,243.65

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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.