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Finding the Fourth Proportional to 737,422.16, 1,017,662.26 and 415,144.44

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Solution

The fourth proportional to 737,422.16, 1,017,662.26 and 415,144.44 is: 572,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,422.16 : 1,017,662.26 = 415,144.44 : x
  2. Step 2: Convert to fraction form
    737,422.16/1,017,662.26 = 415,144.44/x
  3. Step 3: Cross multiply
    737,422.16x = 1,017,662.26 × 415,144.44
  4. Step 4: Simplify right side
    737,422.16x = 422,476,829,036.83
  5. Step 5: Solve for x
    x = 422,476,829,036.83/737,422.16
  6. Step 6: Final answer
    x = 572,910.41

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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.