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Finding the Fourth Proportional to 450,801.18, 622,934.55 and 323,274.78

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Solution

The fourth proportional to 450,801.18, 622,934.55 and 323,274.78 is: 446,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,801.18 : 622,934.55 = 323,274.78 : x
  2. Step 2: Convert to fraction form
    450,801.18/622,934.55 = 323,274.78/x
  3. Step 3: Cross multiply
    450,801.18x = 622,934.55 × 323,274.78
  4. Step 4: Simplify right side
    450,801.18x = 201,379,029,605.65
  5. Step 5: Solve for x
    x = 201,379,029,605.65/450,801.18
  6. Step 6: Final answer
    x = 446,713.63

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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.