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Finding the Fourth Proportional to 291,054.77, 436,654.83 and 101,517.86

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Solution

The fourth proportional to 291,054.77, 436,654.83 and 101,517.86 is: 152,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,054.77 : 436,654.83 = 101,517.86 : x
  2. Step 2: Convert to fraction form
    291,054.77/436,654.83 = 101,517.86/x
  3. Step 3: Cross multiply
    291,054.77x = 436,654.83 × 101,517.86
  4. Step 4: Simplify right side
    291,054.77x = 44,328,262,059.85
  5. Step 5: Solve for x
    x = 44,328,262,059.85/291,054.77
  6. Step 6: Final answer
    x = 152,302.13

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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.