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Finding the Fourth Proportional to 3,314,259.53, 4,971,395.34 and 1,039,958.60

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Solution

The fourth proportional to 3,314,259.53, 4,971,395.34 and 1,039,958.60 is: 1,559,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,259.53 : 4,971,395.34 = 1,039,958.60 : x
  2. Step 2: Convert to fraction form
    3,314,259.53/4,971,395.34 = 1,039,958.60/x
  3. Step 3: Cross multiply
    3,314,259.53x = 4,971,395.34 × 1,039,958.60
  4. Step 4: Simplify right side
    3,314,259.53x = 5,170,045,311,513.56
  5. Step 5: Solve for x
    x = 5,170,045,311,513.56/3,314,259.53
  6. Step 6: Final answer
    x = 1,559,939.79

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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.