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Finding the Fourth Proportional to 569,675.62, 786,249.02 and 328,098.05

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Solution

The fourth proportional to 569,675.62, 786,249.02 and 328,098.05 is: 452,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,675.62 : 786,249.02 = 328,098.05 : x
  2. Step 2: Convert to fraction form
    569,675.62/786,249.02 = 328,098.05/x
  3. Step 3: Cross multiply
    569,675.62x = 786,249.02 × 328,098.05
  4. Step 4: Simplify right side
    569,675.62x = 257,966,770,276.41
  5. Step 5: Solve for x
    x = 257,966,770,276.41/569,675.62
  6. Step 6: Final answer
    x = 452,830.98

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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.