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Finding the Fourth Proportional to 505,700.98, 758,662.26 and 190,157.89

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Solution

The fourth proportional to 505,700.98, 758,662.26 and 190,157.89 is: 285,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,700.98 : 758,662.26 = 190,157.89 : x
  2. Step 2: Convert to fraction form
    505,700.98/758,662.26 = 190,157.89/x
  3. Step 3: Cross multiply
    505,700.98x = 758,662.26 × 190,157.89
  4. Step 4: Simplify right side
    505,700.98x = 144,265,614,584.23
  5. Step 5: Solve for x
    x = 144,265,614,584.23/505,700.98
  6. Step 6: Final answer
    x = 285,278.50

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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.