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Finding the Fourth Proportional to 504,909.89, 757,280.52 and 167,986.14

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Solution

The fourth proportional to 504,909.89, 757,280.52 and 167,986.14 is: 251,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,909.89 : 757,280.52 = 167,986.14 : x
  2. Step 2: Convert to fraction form
    504,909.89/757,280.52 = 167,986.14/x
  3. Step 3: Cross multiply
    504,909.89x = 757,280.52 × 167,986.14
  4. Step 4: Simplify right side
    504,909.89x = 127,212,631,451.99
  5. Step 5: Solve for x
    x = 127,212,631,451.99/504,909.89
  6. Step 6: Final answer
    x = 251,951.16

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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.