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Finding the Fourth Proportional to 294,195.20, 441,475.20 and 154,054.40

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Solution

The fourth proportional to 294,195.20, 441,475.20 and 154,054.40 is: 231,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,195.20 : 441,475.20 = 154,054.40 : x
  2. Step 2: Convert to fraction form
    294,195.20/441,475.20 = 154,054.40/x
  3. Step 3: Cross multiply
    294,195.20x = 441,475.20 × 154,054.40
  4. Step 4: Simplify right side
    294,195.20x = 68,011,197,050.88
  5. Step 5: Solve for x
    x = 68,011,197,050.88/294,195.20
  6. Step 6: Final answer
    x = 231,177.11

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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.