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Finding the Fourth Proportional to 525,959.56, 789,071.82 and 151,980.04

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Solution

The fourth proportional to 525,959.56, 789,071.82 and 151,980.04 is: 228,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,959.56 : 789,071.82 = 151,980.04 : x
  2. Step 2: Convert to fraction form
    525,959.56/789,071.82 = 151,980.04/x
  3. Step 3: Cross multiply
    525,959.56x = 789,071.82 × 151,980.04
  4. Step 4: Simplify right side
    525,959.56x = 119,923,166,766.47
  5. Step 5: Solve for x
    x = 119,923,166,766.47/525,959.56
  6. Step 6: Final answer
    x = 228,008.34

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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.