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Finding the Fourth Proportional to 342,460.54, 513,690.81 and 117,826.48

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Solution

The fourth proportional to 342,460.54, 513,690.81 and 117,826.48 is: 176,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,460.54 : 513,690.81 = 117,826.48 : x
  2. Step 2: Convert to fraction form
    342,460.54/513,690.81 = 117,826.48/x
  3. Step 3: Cross multiply
    342,460.54x = 513,690.81 × 117,826.48
  4. Step 4: Simplify right side
    342,460.54x = 60,526,379,950.65
  5. Step 5: Solve for x
    x = 60,526,379,950.65/342,460.54
  6. Step 6: Final answer
    x = 176,739.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.