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Finding the Fourth Proportional to 1,719,748.44, 2,373,235.74 and 955,785.60

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Solution

The fourth proportional to 1,719,748.44, 2,373,235.74 and 955,785.60 is: 1,318,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,748.44 : 2,373,235.74 = 955,785.60 : x
  2. Step 2: Convert to fraction form
    1,719,748.44/2,373,235.74 = 955,785.60/x
  3. Step 3: Cross multiply
    1,719,748.44x = 2,373,235.74 × 955,785.60
  4. Step 4: Simplify right side
    1,719,748.44x = 2,268,304,545,697.34
  5. Step 5: Solve for x
    x = 2,268,304,545,697.34/1,719,748.44
  6. Step 6: Final answer
    x = 1,318,974.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.