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Finding the Fourth Proportional to 505,700.37, 758,661.32 and 190,157.27

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Solution

The fourth proportional to 505,700.37, 758,661.32 and 190,157.27 is: 285,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,700.37 : 758,661.32 = 190,157.27 : x
  2. Step 2: Convert to fraction form
    505,700.37/758,661.32 = 190,157.27/x
  3. Step 3: Cross multiply
    505,700.37x = 758,661.32 × 190,157.27
  4. Step 4: Simplify right side
    505,700.37x = 144,264,960,721.70
  5. Step 5: Solve for x
    x = 144,264,960,721.70/505,700.37
  6. Step 6: Final answer
    x = 285,277.55

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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.