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Finding the Fourth Proportional to 584,096.94, 806,418.69 and 447,869.21

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Solution

The fourth proportional to 584,096.94, 806,418.69 and 447,869.21 is: 618,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,096.94 : 806,418.69 = 447,869.21 : x
  2. Step 2: Convert to fraction form
    584,096.94/806,418.69 = 447,869.21/x
  3. Step 3: Cross multiply
    584,096.94x = 806,418.69 × 447,869.21
  4. Step 4: Simplify right side
    584,096.94x = 361,170,097,587.44
  5. Step 5: Solve for x
    x = 361,170,097,587.44/584,096.94
  6. Step 6: Final answer
    x = 618,339.31

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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.