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Finding the Fourth Proportional to 435,015.60, 654,078.60 and 366,586.80

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Solution

The fourth proportional to 435,015.60, 654,078.60 and 366,586.80 is: 551,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,015.60 : 654,078.60 = 366,586.80 : x
  2. Step 2: Convert to fraction form
    435,015.60/654,078.60 = 366,586.80/x
  3. Step 3: Cross multiply
    435,015.60x = 654,078.60 × 366,586.80
  4. Step 4: Simplify right side
    435,015.60x = 239,776,580,922.48
  5. Step 5: Solve for x
    x = 239,776,580,922.48/435,015.60
  6. Step 6: Final answer
    x = 551,190.76

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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.