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Finding the Fourth Proportional to 532,849.06, 798,584.60 and 398,676.60

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Solution

The fourth proportional to 532,849.06, 798,584.60 and 398,676.60 is: 597,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,849.06 : 798,584.60 = 398,676.60 : x
  2. Step 2: Convert to fraction form
    532,849.06/798,584.60 = 398,676.60/x
  3. Step 3: Cross multiply
    532,849.06x = 798,584.60 × 398,676.60
  4. Step 4: Simplify right side
    532,849.06x = 318,376,993,140.36
  5. Step 5: Solve for x
    x = 318,376,993,140.36/532,849.06
  6. Step 6: Final answer
    x = 597,499.40

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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.