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Finding the Fourth Proportional to 601,379.12, 829,588.55 and 371,863.05

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Solution

The fourth proportional to 601,379.12, 829,588.55 and 371,863.05 is: 512,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,379.12 : 829,588.55 = 371,863.05 : x
  2. Step 2: Convert to fraction form
    601,379.12/829,588.55 = 371,863.05/x
  3. Step 3: Cross multiply
    601,379.12x = 829,588.55 × 371,863.05
  4. Step 4: Simplify right side
    601,379.12x = 308,493,326,588.76
  5. Step 5: Solve for x
    x = 308,493,326,588.76/601,379.12
  6. Step 6: Final answer
    x = 512,976.46

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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.