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Finding the Fourth Proportional to 569,476.94, 786,076.07 and 327,855.80

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Solution

The fourth proportional to 569,476.94, 786,076.07 and 327,855.80 is: 452,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,476.94 : 786,076.07 = 327,855.80 : x
  2. Step 2: Convert to fraction form
    569,476.94/786,076.07 = 327,855.80/x
  3. Step 3: Cross multiply
    569,476.94x = 786,076.07 × 327,855.80
  4. Step 4: Simplify right side
    569,476.94x = 257,719,593,221.05
  5. Step 5: Solve for x
    x = 257,719,593,221.05/569,476.94
  6. Step 6: Final answer
    x = 452,554.93

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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.