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Finding the Fourth Proportional to 294,477.93, 441,712.03 and 72,861.93

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Solution

The fourth proportional to 294,477.93, 441,712.03 and 72,861.93 is: 109,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,477.93 : 441,712.03 = 72,861.93 : x
  2. Step 2: Convert to fraction form
    294,477.93/441,712.03 = 72,861.93/x
  3. Step 3: Cross multiply
    294,477.93x = 441,712.03 × 72,861.93
  4. Step 4: Simplify right side
    294,477.93x = 32,183,991,010.02
  5. Step 5: Solve for x
    x = 32,183,991,010.02/294,477.93
  6. Step 6: Final answer
    x = 109,291.69

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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.