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Finding the Fourth Proportional to 497,903.04, 687,098.70 and 271,548.54

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Solution

The fourth proportional to 497,903.04, 687,098.70 and 271,548.54 is: 374,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,903.04 : 687,098.70 = 271,548.54 : x
  2. Step 2: Convert to fraction form
    497,903.04/687,098.70 = 271,548.54/x
  3. Step 3: Cross multiply
    497,903.04x = 687,098.70 × 271,548.54
  4. Step 4: Simplify right side
    497,903.04x = 186,580,648,820.90
  5. Step 5: Solve for x
    x = 186,580,648,820.90/497,903.04
  6. Step 6: Final answer
    x = 374,732.90

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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.