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Finding the Fourth Proportional to 496,883.70, 745,325.55 and 328,594.05

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Solution

The fourth proportional to 496,883.70, 745,325.55 and 328,594.05 is: 492,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,883.70 : 745,325.55 = 328,594.05 : x
  2. Step 2: Convert to fraction form
    496,883.70/745,325.55 = 328,594.05/x
  3. Step 3: Cross multiply
    496,883.70x = 745,325.55 × 328,594.05
  4. Step 4: Simplify right side
    496,883.70x = 244,909,541,042.98
  5. Step 5: Solve for x
    x = 244,909,541,042.98/496,883.70
  6. Step 6: Final answer
    x = 492,891.08

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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.