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Finding the Fourth Proportional to 365,323.31, 547,503.83 and 154,700.63

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Solution

The fourth proportional to 365,323.31, 547,503.83 and 154,700.63 is: 231,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,323.31 : 547,503.83 = 154,700.63 : x
  2. Step 2: Convert to fraction form
    365,323.31/547,503.83 = 154,700.63/x
  3. Step 3: Cross multiply
    365,323.31x = 547,503.83 × 154,700.63
  4. Step 4: Simplify right side
    365,323.31x = 84,699,188,603.80
  5. Step 5: Solve for x
    x = 84,699,188,603.80/365,323.31
  6. Step 6: Final answer
    x = 231,847.20

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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.