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Finding the Fourth Proportional to 671,699.10, 1,007,527.05 and 222,440.70

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Solution

The fourth proportional to 671,699.10, 1,007,527.05 and 222,440.70 is: 333,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,699.10 : 1,007,527.05 = 222,440.70 : x
  2. Step 2: Convert to fraction form
    671,699.10/1,007,527.05 = 222,440.70/x
  3. Step 3: Cross multiply
    671,699.10x = 1,007,527.05 × 222,440.70
  4. Step 4: Simplify right side
    671,699.10x = 224,115,022,270.94
  5. Step 5: Solve for x
    x = 224,115,022,270.94/671,699.10
  6. Step 6: Final answer
    x = 333,653.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.