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Finding the Fourth Proportional to 271,472.70, 374,664.63 and 156,779.24

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Solution

The fourth proportional to 271,472.70, 374,664.63 and 156,779.24 is: 216,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,472.70 : 374,664.63 = 156,779.24 : x
  2. Step 2: Convert to fraction form
    271,472.70/374,664.63 = 156,779.24/x
  3. Step 3: Cross multiply
    271,472.70x = 374,664.63 × 156,779.24
  4. Step 4: Simplify right side
    271,472.70x = 58,739,634,072.96
  5. Step 5: Solve for x
    x = 58,739,634,072.96/271,472.70
  6. Step 6: Final answer
    x = 216,374.00

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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.