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Finding the Fourth Proportional to 1,303,978.70, 1,955,801.90 and 504,713.43

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Solution

The fourth proportional to 1,303,978.70, 1,955,801.90 and 504,713.43 is: 757,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,978.70 : 1,955,801.90 = 504,713.43 : x
  2. Step 2: Convert to fraction form
    1,303,978.70/1,955,801.90 = 504,713.43/x
  3. Step 3: Cross multiply
    1,303,978.70x = 1,955,801.90 × 504,713.43
  4. Step 4: Simplify right side
    1,303,978.70x = 987,119,486,611.30
  5. Step 5: Solve for x
    x = 987,119,486,611.30/1,303,978.70
  6. Step 6: Final answer
    x = 757,005.84

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