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Finding the Fourth Proportional to 469,353.92, 704,380.64 and 188,873.28

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Solution

The fourth proportional to 469,353.92, 704,380.64 and 188,873.28 is: 283,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,353.92 : 704,380.64 = 188,873.28 : x
  2. Step 2: Convert to fraction form
    469,353.92/704,380.64 = 188,873.28/x
  3. Step 3: Cross multiply
    469,353.92x = 704,380.64 × 188,873.28
  4. Step 4: Simplify right side
    469,353.92x = 133,038,681,845.30
  5. Step 5: Solve for x
    x = 133,038,681,845.30/469,353.92
  6. Step 6: Final answer
    x = 283,450.67

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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.