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Finding the Fourth Proportional to 303,041.98, 454,464.55 and 143,093.17

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Solution

The fourth proportional to 303,041.98, 454,464.55 and 143,093.17 is: 214,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,041.98 : 454,464.55 = 143,093.17 : x
  2. Step 2: Convert to fraction form
    303,041.98/454,464.55 = 143,093.17/x
  3. Step 3: Cross multiply
    303,041.98x = 454,464.55 × 143,093.17
  4. Step 4: Simplify right side
    303,041.98x = 65,030,773,112.12
  5. Step 5: Solve for x
    x = 65,030,773,112.12/303,041.98
  6. Step 6: Final answer
    x = 214,593.28

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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.