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Finding the Fourth Proportional to 533,582.87, 800,315.22 and 134,223.62

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Solution

The fourth proportional to 533,582.87, 800,315.22 and 134,223.62 is: 201,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,582.87 : 800,315.22 = 134,223.62 : x
  2. Step 2: Convert to fraction form
    533,582.87/800,315.22 = 134,223.62/x
  3. Step 3: Cross multiply
    533,582.87x = 800,315.22 × 134,223.62
  4. Step 4: Simplify right side
    533,582.87x = 107,421,201,967.92
  5. Step 5: Solve for x
    x = 107,421,201,967.92/533,582.87
  6. Step 6: Final answer
    x = 201,320.56

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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.