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Finding the Fourth Proportional to 505,562.49, 758,089.71 and 168,485.04

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Solution

The fourth proportional to 505,562.49, 758,089.71 and 168,485.04 is: 252,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,562.49 : 758,089.71 = 168,485.04 : x
  2. Step 2: Convert to fraction form
    505,562.49/758,089.71 = 168,485.04/x
  3. Step 3: Cross multiply
    505,562.49x = 758,089.71 × 168,485.04
  4. Step 4: Simplify right side
    505,562.49x = 127,726,775,112.94
  5. Step 5: Solve for x
    x = 127,726,775,112.94/505,562.49
  6. Step 6: Final answer
    x = 252,642.90

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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.