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Finding the Fourth Proportional to 532,817.20, 797,913.60 and 252,006.40

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Solution

The fourth proportional to 532,817.20, 797,913.60 and 252,006.40 is: 377,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,817.20 : 797,913.60 = 252,006.40 : x
  2. Step 2: Convert to fraction form
    532,817.20/797,913.60 = 252,006.40/x
  3. Step 3: Cross multiply
    532,817.20x = 797,913.60 × 252,006.40
  4. Step 4: Simplify right side
    532,817.20x = 201,079,333,847.04
  5. Step 5: Solve for x
    x = 201,079,333,847.04/532,817.20
  6. Step 6: Final answer
    x = 377,388.97

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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.