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Finding the Fourth Proportional to 573,079.74, 790,817.82 and 343,522.16

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Solution

The fourth proportional to 573,079.74, 790,817.82 and 343,522.16 is: 474,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,079.74 : 790,817.82 = 343,522.16 : x
  2. Step 2: Convert to fraction form
    573,079.74/790,817.82 = 343,522.16/x
  3. Step 3: Cross multiply
    573,079.74x = 790,817.82 × 343,522.16
  4. Step 4: Simplify right side
    573,079.74x = 271,663,445,692.89
  5. Step 5: Solve for x
    x = 271,663,445,692.89/573,079.74
  6. Step 6: Final answer
    x = 474,041.27

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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.