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Finding the Fourth Proportional to 303,430.38, 455,219.41 and 101,025.96

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Solution

The fourth proportional to 303,430.38, 455,219.41 and 101,025.96 is: 151,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,430.38 : 455,219.41 = 101,025.96 : x
  2. Step 2: Convert to fraction form
    303,430.38/455,219.41 = 101,025.96/x
  3. Step 3: Cross multiply
    303,430.38x = 455,219.41 × 101,025.96
  4. Step 4: Simplify right side
    303,430.38x = 45,988,977,905.88
  5. Step 5: Solve for x
    x = 45,988,977,905.88/303,430.38
  6. Step 6: Final answer
    x = 151,563.52

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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.