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Finding the Fourth Proportional to 294,659.50, 442,000.20 and 94,982.77

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Solution

The fourth proportional to 294,659.50, 442,000.20 and 94,982.77 is: 142,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,659.50 : 442,000.20 = 94,982.77 : x
  2. Step 2: Convert to fraction form
    294,659.50/442,000.20 = 94,982.77/x
  3. Step 3: Cross multiply
    294,659.50x = 442,000.20 × 94,982.77
  4. Step 4: Simplify right side
    294,659.50x = 41,982,403,336.55
  5. Step 5: Solve for x
    x = 41,982,403,336.55/294,659.50
  6. Step 6: Final answer
    x = 142,477.68

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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.