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Finding the Fourth Proportional to 328,038.14, 452,777.09 and 213,602.42

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Solution

The fourth proportional to 328,038.14, 452,777.09 and 213,602.42 is: 294,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,038.14 : 452,777.09 = 213,602.42 : x
  2. Step 2: Convert to fraction form
    328,038.14/452,777.09 = 213,602.42/x
  3. Step 3: Cross multiply
    328,038.14x = 452,777.09 × 213,602.42
  4. Step 4: Simplify right side
    328,038.14x = 96,714,278,812.66
  5. Step 5: Solve for x
    x = 96,714,278,812.66/328,038.14
  6. Step 6: Final answer
    x = 294,826.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.