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Finding the Fourth Proportional to 568,104.60, 784,268.42 and 353,313.87

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Solution

The fourth proportional to 568,104.60, 784,268.42 and 353,313.87 is: 487,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,104.60 : 784,268.42 = 353,313.87 : x
  2. Step 2: Convert to fraction form
    568,104.60/784,268.42 = 353,313.87/x
  3. Step 3: Cross multiply
    568,104.60x = 784,268.42 × 353,313.87
  4. Step 4: Simplify right side
    568,104.60x = 277,092,908,822.42
  5. Step 5: Solve for x
    x = 277,092,908,822.42/568,104.60
  6. Step 6: Final answer
    x = 487,749.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.