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Finding the Fourth Proportional to 328,221.36, 452,969.37 and 183,036.96

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Solution

The fourth proportional to 328,221.36, 452,969.37 and 183,036.96 is: 252,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,221.36 : 452,969.37 = 183,036.96 : x
  2. Step 2: Convert to fraction form
    328,221.36/452,969.37 = 183,036.96/x
  3. Step 3: Cross multiply
    328,221.36x = 452,969.37 × 183,036.96
  4. Step 4: Simplify right side
    328,221.36x = 82,910,136,457.92
  5. Step 5: Solve for x
    x = 82,910,136,457.92/328,221.36
  6. Step 6: Final answer
    x = 252,604.33

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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.