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Finding the Fourth Proportional to 545,910.80, 818,574.60 and 230,010.80

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Solution

The fourth proportional to 545,910.80, 818,574.60 and 230,010.80 is: 344,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,910.80 : 818,574.60 = 230,010.80 : x
  2. Step 2: Convert to fraction form
    545,910.80/818,574.60 = 230,010.80/x
  3. Step 3: Cross multiply
    545,910.80x = 818,574.60 × 230,010.80
  4. Step 4: Simplify right side
    545,910.80x = 188,280,998,605.68
  5. Step 5: Solve for x
    x = 188,280,998,605.68/545,910.80
  6. Step 6: Final answer
    x = 344,893.34

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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.