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Finding the Fourth Proportional to 536,625.66, 803,609.86 and 394,133.04

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Solution

The fourth proportional to 536,625.66, 803,609.86 and 394,133.04 is: 590,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,625.66 : 803,609.86 = 394,133.04 : x
  2. Step 2: Convert to fraction form
    536,625.66/803,609.86 = 394,133.04/x
  3. Step 3: Cross multiply
    536,625.66x = 803,609.86 × 394,133.04
  4. Step 4: Simplify right side
    536,625.66x = 316,729,197,095.77
  5. Step 5: Solve for x
    x = 316,729,197,095.77/536,625.66
  6. Step 6: Final answer
    x = 590,223.73

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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.