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Finding the Fourth Proportional to 335,942.80, 504,029.40 and 149,088.40

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Solution

The fourth proportional to 335,942.80, 504,029.40 and 149,088.40 is: 223,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,942.80 : 504,029.40 = 149,088.40 : x
  2. Step 2: Convert to fraction form
    335,942.80/504,029.40 = 149,088.40/x
  3. Step 3: Cross multiply
    335,942.80x = 504,029.40 × 149,088.40
  4. Step 4: Simplify right side
    335,942.80x = 75,144,936,798.96
  5. Step 5: Solve for x
    x = 75,144,936,798.96/335,942.80
  6. Step 6: Final answer
    x = 223,683.72

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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.