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Finding the Fourth Proportional to 297,807.52, 446,786.52 and 87,445.48

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Solution

The fourth proportional to 297,807.52, 446,786.52 and 87,445.48 is: 131,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,807.52 : 446,786.52 = 87,445.48 : x
  2. Step 2: Convert to fraction form
    297,807.52/446,786.52 = 87,445.48/x
  3. Step 3: Cross multiply
    297,807.52x = 446,786.52 × 87,445.48
  4. Step 4: Simplify right side
    297,807.52x = 39,069,461,698.93
  5. Step 5: Solve for x
    x = 39,069,461,698.93/297,807.52
  6. Step 6: Final answer
    x = 131,190.31

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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.