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Finding the Fourth Proportional to 514,316.26, 771,597.51 and 214,630.12

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Solution

The fourth proportional to 514,316.26, 771,597.51 and 214,630.12 is: 321,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,316.26 : 771,597.51 = 214,630.12 : x
  2. Step 2: Convert to fraction form
    514,316.26/771,597.51 = 214,630.12/x
  3. Step 3: Cross multiply
    514,316.26x = 771,597.51 × 214,630.12
  4. Step 4: Simplify right side
    514,316.26x = 165,608,066,163.00
  5. Step 5: Solve for x
    x = 165,608,066,163.00/514,316.26
  6. Step 6: Final answer
    x = 321,996.56

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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.