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Finding the Fourth Proportional to 737,468.60, 1,017,803.72 and 415,241.49

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Solution

The fourth proportional to 737,468.60, 1,017,803.72 and 415,241.49 is: 573,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,468.60 : 1,017,803.72 = 415,241.49 : x
  2. Step 2: Convert to fraction form
    737,468.60/1,017,803.72 = 415,241.49/x
  3. Step 3: Cross multiply
    737,468.60x = 1,017,803.72 × 415,241.49
  4. Step 4: Simplify right side
    737,468.60x = 422,634,333,220.34
  5. Step 5: Solve for x
    x = 422,634,333,220.34/737,468.60
  6. Step 6: Final answer
    x = 573,087.90

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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.