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Finding the Fourth Proportional to 475,531.02, 656,443.82 and 303,674.12

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Solution

The fourth proportional to 475,531.02, 656,443.82 and 303,674.12 is: 419,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,531.02 : 656,443.82 = 303,674.12 : x
  2. Step 2: Convert to fraction form
    475,531.02/656,443.82 = 303,674.12/x
  3. Step 3: Cross multiply
    475,531.02x = 656,443.82 × 303,674.12
  4. Step 4: Simplify right side
    475,531.02x = 199,344,999,367.94
  5. Step 5: Solve for x
    x = 199,344,999,367.94/475,531.02
  6. Step 6: Final answer
    x = 419,205.04

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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.