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Finding the Fourth Proportional to 558,310.96, 833,684.60 and 443,166.88

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Solution

The fourth proportional to 558,310.96, 833,684.60 and 443,166.88 is: 661,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,310.96 : 833,684.60 = 443,166.88 : x
  2. Step 2: Convert to fraction form
    558,310.96/833,684.60 = 443,166.88/x
  3. Step 3: Cross multiply
    558,310.96x = 833,684.60 × 443,166.88
  4. Step 4: Simplify right side
    558,310.96x = 369,461,403,086.05
  5. Step 5: Solve for x
    x = 369,461,403,086.05/558,310.96
  6. Step 6: Final answer
    x = 661,748.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.