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Finding the Fourth Proportional to 471,550.81, 650,740.19 and 256,692.48

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Solution

The fourth proportional to 471,550.81, 650,740.19 and 256,692.48 is: 354,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,550.81 : 650,740.19 = 256,692.48 : x
  2. Step 2: Convert to fraction form
    471,550.81/650,740.19 = 256,692.48/x
  3. Step 3: Cross multiply
    471,550.81x = 650,740.19 × 256,692.48
  4. Step 4: Simplify right side
    471,550.81x = 167,040,113,367.20
  5. Step 5: Solve for x
    x = 167,040,113,367.20/471,550.81
  6. Step 6: Final answer
    x = 354,235.66

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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.