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Finding the Fourth Proportional to 567,796.57, 851,445.57 and 212,561.45

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Solution

The fourth proportional to 567,796.57, 851,445.57 and 212,561.45 is: 318,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,796.57 : 851,445.57 = 212,561.45 : x
  2. Step 2: Convert to fraction form
    567,796.57/851,445.57 = 212,561.45/x
  3. Step 3: Cross multiply
    567,796.57x = 851,445.57 × 212,561.45
  4. Step 4: Simplify right side
    567,796.57x = 180,984,504,688.08
  5. Step 5: Solve for x
    x = 180,984,504,688.08/567,796.57
  6. Step 6: Final answer
    x = 318,748.85

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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.