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Finding the Fourth Proportional to 447,878.80, 618,116.36 and 334,504.72

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Solution

The fourth proportional to 447,878.80, 618,116.36 and 334,504.72 is: 461,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,878.80 : 618,116.36 = 334,504.72 : x
  2. Step 2: Convert to fraction form
    447,878.80/618,116.36 = 334,504.72/x
  3. Step 3: Cross multiply
    447,878.80x = 618,116.36 × 334,504.72
  4. Step 4: Simplify right side
    447,878.80x = 206,762,839,929.22
  5. Step 5: Solve for x
    x = 206,762,839,929.22/447,878.80
  6. Step 6: Final answer
    x = 461,649.09

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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.