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Finding the Fourth Proportional to 328,992.64, 453,984.96 and 185,732.80

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Solution

The fourth proportional to 328,992.64, 453,984.96 and 185,732.80 is: 256,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,992.64 : 453,984.96 = 185,732.80 : x
  2. Step 2: Convert to fraction form
    328,992.64/453,984.96 = 185,732.80/x
  3. Step 3: Cross multiply
    328,992.64x = 453,984.96 × 185,732.80
  4. Step 4: Simplify right side
    328,992.64x = 84,319,897,778.69
  5. Step 5: Solve for x
    x = 84,319,897,778.69/328,992.64
  6. Step 6: Final answer
    x = 256,297.22

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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.