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Finding the Fourth Proportional to 366,920.80, 550,381.20 and 335,920.08

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Solution

The fourth proportional to 366,920.80, 550,381.20 and 335,920.08 is: 503,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.80 : 550,381.20 = 335,920.08 : x
  2. Step 2: Convert to fraction form
    366,920.80/550,381.20 = 335,920.08/x
  3. Step 3: Cross multiply
    366,920.80x = 550,381.20 × 335,920.08
  4. Step 4: Simplify right side
    366,920.80x = 184,884,096,734.50
  5. Step 5: Solve for x
    x = 184,884,096,734.50/366,920.80
  6. Step 6: Final answer
    x = 503,880.12

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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.