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Finding the Fourth Proportional to 353,404.76, 529,721.60 and 173,613.92

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Solution

The fourth proportional to 353,404.76, 529,721.60 and 173,613.92 is: 260,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,404.76 : 529,721.60 = 173,613.92 : x
  2. Step 2: Convert to fraction form
    353,404.76/529,721.60 = 173,613.92/x
  3. Step 3: Cross multiply
    353,404.76x = 529,721.60 × 173,613.92
  4. Step 4: Simplify right side
    353,404.76x = 91,967,043,484.67
  5. Step 5: Solve for x
    x = 91,967,043,484.67/353,404.76
  6. Step 6: Final answer
    x = 260,231.48

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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.