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Finding the Fourth Proportional to 536,625.16, 803,609.12 and 394,132.54

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Solution

The fourth proportional to 536,625.16, 803,609.12 and 394,132.54 is: 590,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,625.16 : 803,609.12 = 394,132.54 : x
  2. Step 2: Convert to fraction form
    536,625.16/803,609.12 = 394,132.54/x
  3. Step 3: Cross multiply
    536,625.16x = 803,609.12 × 394,132.54
  4. Step 4: Simplify right side
    536,625.16x = 316,728,499,653.08
  5. Step 5: Solve for x
    x = 316,728,499,653.08/536,625.16
  6. Step 6: Final answer
    x = 590,222.98

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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.