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Finding the Fourth Proportional to 586,204.32, 809,324.82 and 449,977.44

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Solution

The fourth proportional to 586,204.32, 809,324.82 and 449,977.44 is: 621,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,204.32 : 809,324.82 = 449,977.44 : x
  2. Step 2: Convert to fraction form
    586,204.32/809,324.82 = 449,977.44/x
  3. Step 3: Cross multiply
    586,204.32x = 809,324.82 × 449,977.44
  4. Step 4: Simplify right side
    586,204.32x = 364,177,910,632.06
  5. Step 5: Solve for x
    x = 364,177,910,632.06/586,204.32
  6. Step 6: Final answer
    x = 621,247.40

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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.