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Finding the Fourth Proportional to 545,340.04, 818,383.73 and 190,354.03

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Solution

The fourth proportional to 545,340.04, 818,383.73 and 190,354.03 is: 285,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,340.04 : 818,383.73 = 190,354.03 : x
  2. Step 2: Convert to fraction form
    545,340.04/818,383.73 = 190,354.03/x
  3. Step 3: Cross multiply
    545,340.04x = 818,383.73 × 190,354.03
  4. Step 4: Simplify right side
    545,340.04x = 155,782,641,091.93
  5. Step 5: Solve for x
    x = 155,782,641,091.93/545,340.04
  6. Step 6: Final answer
    x = 285,661.48

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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.