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Finding the Fourth Proportional to 350,113.30, 525,202.62 and 271,315.96

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Solution

The fourth proportional to 350,113.30, 525,202.62 and 271,315.96 is: 406,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,113.30 : 525,202.62 = 271,315.96 : x
  2. Step 2: Convert to fraction form
    350,113.30/525,202.62 = 271,315.96/x
  3. Step 3: Cross multiply
    350,113.30x = 525,202.62 × 271,315.96
  4. Step 4: Simplify right side
    350,113.30x = 142,495,853,039.82
  5. Step 5: Solve for x
    x = 142,495,853,039.82/350,113.30
  6. Step 6: Final answer
    x = 406,999.26

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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.