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Finding the Fourth Proportional to 497,999.68, 687,241.72 and 271,650.04

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Solution

The fourth proportional to 497,999.68, 687,241.72 and 271,650.04 is: 374,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,999.68 : 687,241.72 = 271,650.04 : x
  2. Step 2: Convert to fraction form
    497,999.68/687,241.72 = 271,650.04/x
  3. Step 3: Cross multiply
    497,999.68x = 687,241.72 × 271,650.04
  4. Step 4: Simplify right side
    497,999.68x = 186,689,240,727.67
  5. Step 5: Solve for x
    x = 186,689,240,727.67/497,999.68
  6. Step 6: Final answer
    x = 374,878.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.