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Finding the Fourth Proportional to 535,613.79, 803,629.82 and 235,883.73

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Solution

The fourth proportional to 535,613.79, 803,629.82 and 235,883.73 is: 353,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,613.79 : 803,629.82 = 235,883.73 : x
  2. Step 2: Convert to fraction form
    535,613.79/803,629.82 = 235,883.73/x
  3. Step 3: Cross multiply
    535,613.79x = 803,629.82 × 235,883.73
  4. Step 4: Simplify right side
    535,613.79x = 189,563,198,301.41
  5. Step 5: Solve for x
    x = 189,563,198,301.41/535,613.79
  6. Step 6: Final answer
    x = 353,917.70

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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.