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Finding the Fourth Proportional to 505,468.40, 758,210.76 and 168,504.48

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Solution

The fourth proportional to 505,468.40, 758,210.76 and 168,504.48 is: 252,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,468.40 : 758,210.76 = 168,504.48 : x
  2. Step 2: Convert to fraction form
    505,468.40/758,210.76 = 168,504.48/x
  3. Step 3: Cross multiply
    505,468.40x = 758,210.76 × 168,504.48
  4. Step 4: Simplify right side
    505,468.40x = 127,761,909,844.21
  5. Step 5: Solve for x
    x = 127,761,909,844.21/505,468.40
  6. Step 6: Final answer
    x = 252,759.44

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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.