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Finding the Fourth Proportional to 376,369.50, 564,641.73 and 127,051.50

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Solution

The fourth proportional to 376,369.50, 564,641.73 and 127,051.50 is: 190,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,369.50 : 564,641.73 = 127,051.50 : x
  2. Step 2: Convert to fraction form
    376,369.50/564,641.73 = 127,051.50/x
  3. Step 3: Cross multiply
    376,369.50x = 564,641.73 × 127,051.50
  4. Step 4: Simplify right side
    376,369.50x = 71,738,578,759.10
  5. Step 5: Solve for x
    x = 71,738,578,759.10/376,369.50
  6. Step 6: Final answer
    x = 190,606.78

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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.