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Finding the Fourth Proportional to 525,958.56, 789,070.32 and 151,979.04

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Solution

The fourth proportional to 525,958.56, 789,070.32 and 151,979.04 is: 228,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,958.56 : 789,070.32 = 151,979.04 : x
  2. Step 2: Convert to fraction form
    525,958.56/789,070.32 = 151,979.04/x
  3. Step 3: Cross multiply
    525,958.56x = 789,070.32 × 151,979.04
  4. Step 4: Simplify right side
    525,958.56x = 119,922,149,726.09
  5. Step 5: Solve for x
    x = 119,922,149,726.09/525,958.56
  6. Step 6: Final answer
    x = 228,006.84

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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.