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Finding the Fourth Proportional to 633,062.43, 873,299.23 and 429,043.58

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Solution

The fourth proportional to 633,062.43, 873,299.23 and 429,043.58 is: 591,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,062.43 : 873,299.23 = 429,043.58 : x
  2. Step 2: Convert to fraction form
    633,062.43/873,299.23 = 429,043.58/x
  3. Step 3: Cross multiply
    633,062.43x = 873,299.23 × 429,043.58
  4. Step 4: Simplify right side
    633,062.43x = 374,683,430,770.00
  5. Step 5: Solve for x
    x = 374,683,430,770.00/633,062.43
  6. Step 6: Final answer
    x = 591,858.58

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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.