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Finding the Fourth Proportional to 323,474.96, 446,421.05 and 178,306.51

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Solution

The fourth proportional to 323,474.96, 446,421.05 and 178,306.51 is: 246,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,474.96 : 446,421.05 = 178,306.51 : x
  2. Step 2: Convert to fraction form
    323,474.96/446,421.05 = 178,306.51/x
  3. Step 3: Cross multiply
    323,474.96x = 446,421.05 × 178,306.51
  4. Step 4: Simplify right side
    323,474.96x = 79,599,779,416.04
  5. Step 5: Solve for x
    x = 79,599,779,416.04/323,474.96
  6. Step 6: Final answer
    x = 246,077.10

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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.