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Finding the Fourth Proportional to 335,079.79, 462,420.43 and 191,885.96

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Solution

The fourth proportional to 335,079.79, 462,420.43 and 191,885.96 is: 264,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,079.79 : 462,420.43 = 191,885.96 : x
  2. Step 2: Convert to fraction form
    335,079.79/462,420.43 = 191,885.96/x
  3. Step 3: Cross multiply
    335,079.79x = 462,420.43 × 191,885.96
  4. Step 4: Simplify right side
    335,079.79x = 88,731,988,810.50
  5. Step 5: Solve for x
    x = 88,731,988,810.50/335,079.79
  6. Step 6: Final answer
    x = 264,808.54

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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.