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Finding the Fourth Proportional to 554,063.32, 765,898.52 and 494,227

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Solution

The fourth proportional to 554,063.32, 765,898.52 and 494,227 is: 683,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,063.32 : 765,898.52 = 494,227 : x
  2. Step 2: Convert to fraction form
    554,063.32/765,898.52 = 494,227/x
  3. Step 3: Cross multiply
    554,063.32x = 765,898.52 × 494,227
  4. Step 4: Simplify right side
    554,063.32x = 378,527,727,844.04
  5. Step 5: Solve for x
    x = 378,527,727,844.04/554,063.32
  6. Step 6: Final answer
    x = 683,184.96

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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.