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Finding the Fourth Proportional to 475,437.73, 656,007.10 and 281,760.07

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Solution

The fourth proportional to 475,437.73, 656,007.10 and 281,760.07 is: 388,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,437.73 : 656,007.10 = 281,760.07 : x
  2. Step 2: Convert to fraction form
    475,437.73/656,007.10 = 281,760.07/x
  3. Step 3: Cross multiply
    475,437.73x = 656,007.10 × 281,760.07
  4. Step 4: Simplify right side
    475,437.73x = 184,836,606,416.50
  5. Step 5: Solve for x
    x = 184,836,606,416.50/475,437.73
  6. Step 6: Final answer
    x = 388,771.43

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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.