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Finding the Fourth Proportional to 1,583,419.66, 2,375,867.61 and 943,697.56

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Solution

The fourth proportional to 1,583,419.66, 2,375,867.61 and 943,697.56 is: 1,415,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,419.66 : 2,375,867.61 = 943,697.56 : x
  2. Step 2: Convert to fraction form
    1,583,419.66/2,375,867.61 = 943,697.56/x
  3. Step 3: Cross multiply
    1,583,419.66x = 2,375,867.61 × 943,697.56
  4. Step 4: Simplify right side
    1,583,419.66x = 2,242,100,456,961.50
  5. Step 5: Solve for x
    x = 2,242,100,456,961.50/1,583,419.66
  6. Step 6: Final answer
    x = 1,415,986.24

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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.