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Finding the Fourth Proportional to 342,672.68, 514,480.71 and 174,306.94

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Solution

The fourth proportional to 342,672.68, 514,480.71 and 174,306.94 is: 261,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,672.68 : 514,480.71 = 174,306.94 : x
  2. Step 2: Convert to fraction form
    342,672.68/514,480.71 = 174,306.94/x
  3. Step 3: Cross multiply
    342,672.68x = 514,480.71 × 174,306.94
  4. Step 4: Simplify right side
    342,672.68x = 89,677,556,145.86
  5. Step 5: Solve for x
    x = 89,677,556,145.86/342,672.68
  6. Step 6: Final answer
    x = 261,700.34

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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.