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Finding the Fourth Proportional to 545,779.62, 818,794.04 and 166,754.30

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Solution

The fourth proportional to 545,779.62, 818,794.04 and 166,754.30 is: 250,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,779.62 : 818,794.04 = 166,754.30 : x
  2. Step 2: Convert to fraction form
    545,779.62/818,794.04 = 166,754.30/x
  3. Step 3: Cross multiply
    545,779.62x = 818,794.04 × 166,754.30
  4. Step 4: Simplify right side
    545,779.62x = 136,537,422,056.63
  5. Step 5: Solve for x
    x = 136,537,422,056.63/545,779.62
  6. Step 6: Final answer
    x = 250,169.51

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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.