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Finding the Fourth Proportional to 545,127.57, 817,800.84 and 190,046.25

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Solution

The fourth proportional to 545,127.57, 817,800.84 and 190,046.25 is: 285,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,127.57 : 817,800.84 = 190,046.25 : x
  2. Step 2: Convert to fraction form
    545,127.57/817,800.84 = 190,046.25/x
  3. Step 3: Cross multiply
    545,127.57x = 817,800.84 × 190,046.25
  4. Step 4: Simplify right side
    545,127.57x = 155,419,982,888.85
  5. Step 5: Solve for x
    x = 155,419,982,888.85/545,127.57
  6. Step 6: Final answer
    x = 285,107.54

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1.5x scale

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.