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Finding the Fourth Proportional to 545,779.58, 818,756.87 and 230,282.96

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Solution

The fourth proportional to 545,779.58, 818,756.87 and 230,282.96 is: 345,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,779.58 : 818,756.87 = 230,282.96 : x
  2. Step 2: Convert to fraction form
    545,779.58/818,756.87 = 230,282.96/x
  3. Step 3: Cross multiply
    545,779.58x = 818,756.87 × 230,282.96
  4. Step 4: Simplify right side
    545,779.58x = 188,545,756,439.41
  5. Step 5: Solve for x
    x = 188,545,756,439.41/545,779.58
  6. Step 6: Final answer
    x = 345,461.36

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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.