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Finding the Fourth Proportional to 475,578.84, 656,382.04 and 361,236

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Solution

The fourth proportional to 475,578.84, 656,382.04 and 361,236 is: 498,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,578.84 : 656,382.04 = 361,236 : x
  2. Step 2: Convert to fraction form
    475,578.84/656,382.04 = 361,236/x
  3. Step 3: Cross multiply
    475,578.84x = 656,382.04 × 361,236
  4. Step 4: Simplify right side
    475,578.84x = 237,108,822,601.44
  5. Step 5: Solve for x
    x = 237,108,822,601.44/475,578.84
  6. Step 6: Final answer
    x = 498,568.91

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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.