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Finding the Fourth Proportional to 475,368.01, 656,070.68 and 271,372.86

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Solution

The fourth proportional to 475,368.01, 656,070.68 and 271,372.86 is: 374,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,368.01 : 656,070.68 = 271,372.86 : x
  2. Step 2: Convert to fraction form
    475,368.01/656,070.68 = 271,372.86/x
  3. Step 3: Cross multiply
    475,368.01x = 656,070.68 × 271,372.86
  4. Step 4: Simplify right side
    475,368.01x = 178,039,777,472.18
  5. Step 5: Solve for x
    x = 178,039,777,472.18/475,368.01
  6. Step 6: Final answer
    x = 374,530.42

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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.