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Finding the Fourth Proportional to 1,719,550.64, 2,372,799.48 and 955,480.88

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Solution

The fourth proportional to 1,719,550.64, 2,372,799.48 and 955,480.88 is: 1,318,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,550.64 : 2,372,799.48 = 955,480.88 : x
  2. Step 2: Convert to fraction form
    1,719,550.64/2,372,799.48 = 955,480.88/x
  3. Step 3: Cross multiply
    1,719,550.64x = 2,372,799.48 × 955,480.88
  4. Step 4: Simplify right side
    1,719,550.64x = 2,267,164,535,213.94
  5. Step 5: Solve for x
    x = 2,267,164,535,213.94/1,719,550.64
  6. Step 6: Final answer
    x = 1,318,463.37

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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.