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Finding the Fourth Proportional to 569,519.61, 785,711.01 and 327,672.03

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Solution

The fourth proportional to 569,519.61, 785,711.01 and 327,672.03 is: 452,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,519.61 : 785,711.01 = 327,672.03 : x
  2. Step 2: Convert to fraction form
    569,519.61/785,711.01 = 327,672.03/x
  3. Step 3: Cross multiply
    569,519.61x = 785,711.01 × 327,672.03
  4. Step 4: Simplify right side
    569,519.61x = 257,455,521,640.05
  5. Step 5: Solve for x
    x = 257,455,521,640.05/569,519.61
  6. Step 6: Final answer
    x = 452,057.34

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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.