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Finding the Fourth Proportional to 297,399.94, 445,866.63 and 147,534.82

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Solution

The fourth proportional to 297,399.94, 445,866.63 and 147,534.82 is: 221,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,399.94 : 445,866.63 = 147,534.82 : x
  2. Step 2: Convert to fraction form
    297,399.94/445,866.63 = 147,534.82/x
  3. Step 3: Cross multiply
    297,399.94x = 445,866.63 × 147,534.82
  4. Step 4: Simplify right side
    297,399.94x = 65,780,853,001.06
  5. Step 5: Solve for x
    x = 65,780,853,001.06/297,399.94
  6. Step 6: Final answer
    x = 221,186.50

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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.