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Finding the Fourth Proportional to 366,036.30, 504,775.23 and 285,434.43

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Solution

The fourth proportional to 366,036.30, 504,775.23 and 285,434.43 is: 393,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,036.30 : 504,775.23 = 285,434.43 : x
  2. Step 2: Convert to fraction form
    366,036.30/504,775.23 = 285,434.43/x
  3. Step 3: Cross multiply
    366,036.30x = 504,775.23 × 285,434.43
  4. Step 4: Simplify right side
    366,036.30x = 144,080,230,053.17
  5. Step 5: Solve for x
    x = 144,080,230,053.17/366,036.30
  6. Step 6: Final answer
    x = 393,622.79

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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.