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Finding the Fourth Proportional to 294,376.80, 441,219.60 and 136,271.28

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Solution

The fourth proportional to 294,376.80, 441,219.60 and 136,271.28 is: 204,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,376.80 : 441,219.60 = 136,271.28 : x
  2. Step 2: Convert to fraction form
    294,376.80/441,219.60 = 136,271.28/x
  3. Step 3: Cross multiply
    294,376.80x = 441,219.60 × 136,271.28
  4. Step 4: Simplify right side
    294,376.80x = 60,125,559,653.09
  5. Step 5: Solve for x
    x = 60,125,559,653.09/294,376.80
  6. Step 6: Final answer
    x = 204,246.94

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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.