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Finding the Fourth Proportional to 303,656.50, 455,762.49 and 154,000.06

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Solution

The fourth proportional to 303,656.50, 455,762.49 and 154,000.06 is: 231,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,656.50 : 455,762.49 = 154,000.06 : x
  2. Step 2: Convert to fraction form
    303,656.50/455,762.49 = 154,000.06/x
  3. Step 3: Cross multiply
    303,656.50x = 455,762.49 × 154,000.06
  4. Step 4: Simplify right side
    303,656.50x = 70,187,450,805.75
  5. Step 5: Solve for x
    x = 70,187,450,805.75/303,656.50
  6. Step 6: Final answer
    x = 231,140.95

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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.