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Finding the Fourth Proportional to 294,455.70, 441,027.45 and 255,089.70

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Solution

The fourth proportional to 294,455.70, 441,027.45 and 255,089.70 is: 382,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,455.70 : 441,027.45 = 255,089.70 : x
  2. Step 2: Convert to fraction form
    294,455.70/441,027.45 = 255,089.70/x
  3. Step 3: Cross multiply
    294,455.70x = 441,027.45 × 255,089.70
  4. Step 4: Simplify right side
    294,455.70x = 112,501,559,912.27
  5. Step 5: Solve for x
    x = 112,501,559,912.27/294,455.70
  6. Step 6: Final answer
    x = 382,066.16

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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.