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Finding the Fourth Proportional to 471,305.90, 706,958.85 and 366,200.30

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Solution

The fourth proportional to 471,305.90, 706,958.85 and 366,200.30 is: 549,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,305.90 : 706,958.85 = 366,200.30 : x
  2. Step 2: Convert to fraction form
    471,305.90/706,958.85 = 366,200.30/x
  3. Step 3: Cross multiply
    471,305.90x = 706,958.85 × 366,200.30
  4. Step 4: Simplify right side
    471,305.90x = 258,888,542,957.66
  5. Step 5: Solve for x
    x = 258,888,542,957.66/471,305.90
  6. Step 6: Final answer
    x = 549,300.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.