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Finding the Fourth Proportional to 510,447.42, 765,741.18 and 173,397.60

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Solution

The fourth proportional to 510,447.42, 765,741.18 and 173,397.60 is: 260,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,447.42 : 765,741.18 = 173,397.60 : x
  2. Step 2: Convert to fraction form
    510,447.42/765,741.18 = 173,397.60/x
  3. Step 3: Cross multiply
    510,447.42x = 765,741.18 × 173,397.60
  4. Step 4: Simplify right side
    510,447.42x = 132,777,682,833.17
  5. Step 5: Solve for x
    x = 132,777,682,833.17/510,447.42
  6. Step 6: Final answer
    x = 260,120.20

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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.