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Finding the Fourth Proportional to 737,415.57, 1,017,730.48 and 415,188.46

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Solution

The fourth proportional to 737,415.57, 1,017,730.48 and 415,188.46 is: 573,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,415.57 : 1,017,730.48 = 415,188.46 : x
  2. Step 2: Convert to fraction form
    737,415.57/1,017,730.48 = 415,188.46/x
  3. Step 3: Cross multiply
    737,415.57x = 1,017,730.48 × 415,188.46
  4. Step 4: Simplify right side
    737,415.57x = 422,549,947,103.96
  5. Step 5: Solve for x
    x = 422,549,947,103.96/737,415.57
  6. Step 6: Final answer
    x = 573,014.68

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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.