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Finding the Fourth Proportional to 441,036.30, 661,554.45 and 307,634.70

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Solution

The fourth proportional to 441,036.30, 661,554.45 and 307,634.70 is: 461,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,036.30 : 661,554.45 = 307,634.70 : x
  2. Step 2: Convert to fraction form
    441,036.30/661,554.45 = 307,634.70/x
  3. Step 3: Cross multiply
    441,036.30x = 661,554.45 × 307,634.70
  4. Step 4: Simplify right side
    441,036.30x = 203,517,104,759.42
  5. Step 5: Solve for x
    x = 203,517,104,759.42/441,036.30
  6. Step 6: Final answer
    x = 461,452.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.