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Finding the Fourth Proportional to 588,622.55, 812,454.44 and 347,066.03

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Solution

The fourth proportional to 588,622.55, 812,454.44 and 347,066.03 is: 479,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,622.55 : 812,454.44 = 347,066.03 : x
  2. Step 2: Convert to fraction form
    588,622.55/812,454.44 = 347,066.03/x
  3. Step 3: Cross multiply
    588,622.55x = 812,454.44 × 347,066.03
  4. Step 4: Simplify right side
    588,622.55x = 281,975,337,342.48
  5. Step 5: Solve for x
    x = 281,975,337,342.48/588,622.55
  6. Step 6: Final answer
    x = 479,042.71

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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.