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Finding the Fourth Proportional to 587,783.60, 881,704.20 and 307,847.60

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Solution

The fourth proportional to 587,783.60, 881,704.20 and 307,847.60 is: 461,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,783.60 : 881,704.20 = 307,847.60 : x
  2. Step 2: Convert to fraction form
    587,783.60/881,704.20 = 307,847.60/x
  3. Step 3: Cross multiply
    587,783.60x = 881,704.20 × 307,847.60
  4. Step 4: Simplify right side
    587,783.60x = 271,430,521,879.92
  5. Step 5: Solve for x
    x = 271,430,521,879.92/587,783.60
  6. Step 6: Final answer
    x = 461,786.48

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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.