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Finding the Fourth Proportional to 335,145.80, 469,826.20 and 335,145.80

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Solution

The fourth proportional to 335,145.80, 469,826.20 and 335,145.80 is: 469,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,145.80 : 469,826.20 = 335,145.80 : x
  2. Step 2: Convert to fraction form
    335,145.80/469,826.20 = 335,145.80/x
  3. Step 3: Cross multiply
    335,145.80x = 469,826.20 × 335,145.80
  4. Step 4: Simplify right side
    335,145.80x = 157,460,277,659.96
  5. Step 5: Solve for x
    x = 157,460,277,659.96/335,145.80
  6. Step 6: Final answer
    x = 469,826.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.