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Finding the Fourth Proportional to 507,999.16, 762,455.58 and 271,543.96

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Solution

The fourth proportional to 507,999.16, 762,455.58 and 271,543.96 is: 407,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,999.16 : 762,455.58 = 271,543.96 : x
  2. Step 2: Convert to fraction form
    507,999.16/762,455.58 = 271,543.96/x
  3. Step 3: Cross multiply
    507,999.16x = 762,455.58 × 271,543.96
  4. Step 4: Simplify right side
    507,999.16x = 207,040,207,452.08
  5. Step 5: Solve for x
    x = 207,040,207,452.08/507,999.16
  6. Step 6: Final answer
    x = 407,560.14

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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.