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Finding the Fourth Proportional to 573,026.39, 790,797.76 and 343,621.03

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Solution

The fourth proportional to 573,026.39, 790,797.76 and 343,621.03 is: 474,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,026.39 : 790,797.76 = 343,621.03 : x
  2. Step 2: Convert to fraction form
    573,026.39/790,797.76 = 343,621.03/x
  3. Step 3: Cross multiply
    573,026.39x = 790,797.76 × 343,621.03
  4. Step 4: Simplify right side
    573,026.39x = 271,734,740,812.89
  5. Step 5: Solve for x
    x = 271,734,740,812.89/573,026.39
  6. Step 6: Final answer
    x = 474,209.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.