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Finding the Fourth Proportional to 814,573.68, 1,220,271.17 and 533,238

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Solution

The fourth proportional to 814,573.68, 1,220,271.17 and 533,238 is: 798,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,573.68 : 1,220,271.17 = 533,238 : x
  2. Step 2: Convert to fraction form
    814,573.68/1,220,271.17 = 533,238/x
  3. Step 3: Cross multiply
    814,573.68x = 1,220,271.17 × 533,238
  4. Step 4: Simplify right side
    814,573.68x = 650,694,955,482.27
  5. Step 5: Solve for x
    x = 650,694,955,482.27/814,573.68
  6. Step 6: Final answer
    x = 798,816.57

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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.