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Finding the Fourth Proportional to 505,821.28, 758,782.99 and 164,250.42

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Solution

The fourth proportional to 505,821.28, 758,782.99 and 164,250.42 is: 246,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,821.28 : 758,782.99 = 164,250.42 : x
  2. Step 2: Convert to fraction form
    505,821.28/758,782.99 = 164,250.42/x
  3. Step 3: Cross multiply
    505,821.28x = 758,782.99 × 164,250.42
  4. Step 4: Simplify right side
    505,821.28x = 124,630,424,796.36
  5. Step 5: Solve for x
    x = 124,630,424,796.36/505,821.28
  6. Step 6: Final answer
    x = 246,392.21

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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.