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Finding the Fourth Proportional to 294,538.30, 441,807.45 and 144,801.70

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Solution

The fourth proportional to 294,538.30, 441,807.45 and 144,801.70 is: 217,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,538.30 : 441,807.45 = 144,801.70 : x
  2. Step 2: Convert to fraction form
    294,538.30/441,807.45 = 144,801.70/x
  3. Step 3: Cross multiply
    294,538.30x = 441,807.45 × 144,801.70
  4. Step 4: Simplify right side
    294,538.30x = 63,974,469,832.67
  5. Step 5: Solve for x
    x = 63,974,469,832.67/294,538.30
  6. Step 6: Final answer
    x = 217,202.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.