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Finding the Fourth Proportional to 342,925.35, 514,720.04 and 165,556.82

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Solution

The fourth proportional to 342,925.35, 514,720.04 and 165,556.82 is: 248,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,925.35 : 514,720.04 = 165,556.82 : x
  2. Step 2: Convert to fraction form
    342,925.35/514,720.04 = 165,556.82/x
  3. Step 3: Cross multiply
    342,925.35x = 514,720.04 × 165,556.82
  4. Step 4: Simplify right side
    342,925.35x = 85,215,409,611.29
  5. Step 5: Solve for x
    x = 85,215,409,611.29/342,925.35
  6. Step 6: Final answer
    x = 248,495.51

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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.