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Finding the Fourth Proportional to 737,415.57, 1,017,730.49 and 415,188.45

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Solution

The fourth proportional to 737,415.57, 1,017,730.49 and 415,188.45 is: 573,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,415.57 : 1,017,730.49 = 415,188.45 : x
  2. Step 2: Convert to fraction form
    737,415.57/1,017,730.49 = 415,188.45/x
  3. Step 3: Cross multiply
    737,415.57x = 1,017,730.49 × 415,188.45
  4. Step 4: Simplify right side
    737,415.57x = 422,549,942,584.90
  5. Step 5: Solve for x
    x = 422,549,942,584.90/737,415.57
  6. Step 6: Final answer
    x = 573,014.67

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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.