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Finding the Fourth Proportional to 366,290.94, 550,281.09 and 351,157.51

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Solution

The fourth proportional to 366,290.94, 550,281.09 and 351,157.51 is: 527,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,290.94 : 550,281.09 = 351,157.51 : x
  2. Step 2: Convert to fraction form
    366,290.94/550,281.09 = 351,157.51/x
  3. Step 3: Cross multiply
    366,290.94x = 550,281.09 × 351,157.51
  4. Step 4: Simplify right side
    366,290.94x = 193,235,339,369.18
  5. Step 5: Solve for x
    x = 193,235,339,369.18/366,290.94
  6. Step 6: Final answer
    x = 527,546.05

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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.