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Finding the Fourth Proportional to 468,836.64, 702,316.98 and 215,770.37

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Solution

The fourth proportional to 468,836.64, 702,316.98 and 215,770.37 is: 323,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,836.64 : 702,316.98 = 215,770.37 : x
  2. Step 2: Convert to fraction form
    468,836.64/702,316.98 = 215,770.37/x
  3. Step 3: Cross multiply
    468,836.64x = 702,316.98 × 215,770.37
  4. Step 4: Simplify right side
    468,836.64x = 151,539,191,120.30
  5. Step 5: Solve for x
    x = 151,539,191,120.30/468,836.64
  6. Step 6: Final answer
    x = 323,223.87

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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.