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Finding the Fourth Proportional to 497,447.43, 686,477.48 and 271,092.75

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Solution

The fourth proportional to 497,447.43, 686,477.48 and 271,092.75 is: 374,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,447.43 : 686,477.48 = 271,092.75 : x
  2. Step 2: Convert to fraction form
    497,447.43/686,477.48 = 271,092.75/x
  3. Step 3: Cross multiply
    497,447.43x = 686,477.48 × 271,092.75
  4. Step 4: Simplify right side
    497,447.43x = 186,099,066,510.81
  5. Step 5: Solve for x
    x = 186,099,066,510.81/497,447.43
  6. Step 6: Final answer
    x = 374,108.01

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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.