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Finding the Fourth Proportional to 545,338.04, 818,380.73 and 190,352.03

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Solution

The fourth proportional to 545,338.04, 818,380.73 and 190,352.03 is: 285,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,338.04 : 818,380.73 = 190,352.03 : x
  2. Step 2: Convert to fraction form
    545,338.04/818,380.73 = 190,352.03/x
  3. Step 3: Cross multiply
    545,338.04x = 818,380.73 × 190,352.03
  4. Step 4: Simplify right side
    545,338.04x = 155,780,429,652.36
  5. Step 5: Solve for x
    x = 155,780,429,652.36/545,338.04
  6. Step 6: Final answer
    x = 285,658.47

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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.