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Finding the Fourth Proportional to 342,606.56, 472,809.92 and 191,704.64

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Solution

The fourth proportional to 342,606.56, 472,809.92 and 191,704.64 is: 264,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,606.56 : 472,809.92 = 191,704.64 : x
  2. Step 2: Convert to fraction form
    342,606.56/472,809.92 = 191,704.64/x
  3. Step 3: Cross multiply
    342,606.56x = 472,809.92 × 191,704.64
  4. Step 4: Simplify right side
    342,606.56x = 90,639,855,502.03
  5. Step 5: Solve for x
    x = 90,639,855,502.03/342,606.56
  6. Step 6: Final answer
    x = 264,559.60

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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.