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Finding the Fourth Proportional to 595,086.72, 820,859.04 and 353,209.92

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Solution

The fourth proportional to 595,086.72, 820,859.04 and 353,209.92 is: 487,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,086.72 : 820,859.04 = 353,209.92 : x
  2. Step 2: Convert to fraction form
    595,086.72/820,859.04 = 353,209.92/x
  3. Step 3: Cross multiply
    595,086.72x = 820,859.04 × 353,209.92
  4. Step 4: Simplify right side
    595,086.72x = 289,935,555,849.68
  5. Step 5: Solve for x
    x = 289,935,555,849.68/595,086.72
  6. Step 6: Final answer
    x = 487,215.64

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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.