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Finding the Fourth Proportional to 535,613.96, 803,425.49 and 136,255.07

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Solution

The fourth proportional to 535,613.96, 803,425.49 and 136,255.07 is: 204,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,613.96 : 803,425.49 = 136,255.07 : x
  2. Step 2: Convert to fraction form
    535,613.96/803,425.49 = 136,255.07/x
  3. Step 3: Cross multiply
    535,613.96x = 803,425.49 × 136,255.07
  4. Step 4: Simplify right side
    535,613.96x = 109,470,798,217.98
  5. Step 5: Solve for x
    x = 109,470,798,217.98/535,613.96
  6. Step 6: Final answer
    x = 204,383.76

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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.