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Finding the Fourth Proportional to 497,999.53, 687,241.52 and 271,649.89

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Solution

The fourth proportional to 497,999.53, 687,241.52 and 271,649.89 is: 374,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,999.53 : 687,241.52 = 271,649.89 : x
  2. Step 2: Convert to fraction form
    497,999.53/687,241.52 = 271,649.89/x
  3. Step 3: Cross multiply
    497,999.53x = 687,241.52 × 271,649.89
  4. Step 4: Simplify right side
    497,999.53x = 186,689,083,311.43
  5. Step 5: Solve for x
    x = 186,689,083,311.43/497,999.53
  6. Step 6: Final answer
    x = 374,878.03

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1.5x scale

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.