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Finding the Fourth Proportional to 569,886.02, 786,251.71 and 328,163.39

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Solution

The fourth proportional to 569,886.02, 786,251.71 and 328,163.39 is: 452,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,886.02 : 786,251.71 = 328,163.39 : x
  2. Step 2: Convert to fraction form
    569,886.02/786,251.71 = 328,163.39/x
  3. Step 3: Cross multiply
    569,886.02x = 786,251.71 × 328,163.39
  4. Step 4: Simplify right side
    569,886.02x = 258,019,026,546.90
  5. Step 5: Solve for x
    x = 258,019,026,546.90/569,886.02
  6. Step 6: Final answer
    x = 452,755.49

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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.