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Finding the Fourth Proportional to 548,897.60, 823,141.60 and 216,404.80

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Solution

The fourth proportional to 548,897.60, 823,141.60 and 216,404.80 is: 324,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,897.60 : 823,141.60 = 216,404.80 : x
  2. Step 2: Convert to fraction form
    548,897.60/823,141.60 = 216,404.80/x
  3. Step 3: Cross multiply
    548,897.60x = 823,141.60 × 216,404.80
  4. Step 4: Simplify right side
    548,897.60x = 178,131,793,319.68
  5. Step 5: Solve for x
    x = 178,131,793,319.68/548,897.60
  6. Step 6: Final answer
    x = 324,526.46

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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.