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Finding the Fourth Proportional to 468,563.28, 702,842.60 and 113,577.31

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Solution

The fourth proportional to 468,563.28, 702,842.60 and 113,577.31 is: 170,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,563.28 : 702,842.60 = 113,577.31 : x
  2. Step 2: Convert to fraction form
    468,563.28/702,842.60 = 113,577.31/x
  3. Step 3: Cross multiply
    468,563.28x = 702,842.60 × 113,577.31
  4. Step 4: Simplify right side
    468,563.28x = 79,826,969,070.41
  5. Step 5: Solve for x
    x = 79,826,969,070.41/468,563.28
  6. Step 6: Final answer
    x = 170,365.40

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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.