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Finding the Fourth Proportional to 567,079.20, 850,618.80 and 212,074.43

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Solution

The fourth proportional to 567,079.20, 850,618.80 and 212,074.43 is: 318,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,079.20 : 850,618.80 = 212,074.43 : x
  2. Step 2: Convert to fraction form
    567,079.20/850,618.80 = 212,074.43/x
  3. Step 3: Cross multiply
    567,079.20x = 850,618.80 × 212,074.43
  4. Step 4: Simplify right side
    567,079.20x = 180,394,492,904.19
  5. Step 5: Solve for x
    x = 180,394,492,904.19/567,079.20
  6. Step 6: Final answer
    x = 318,111.64

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Similar ratio
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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.