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Finding the Fourth Proportional to 3,798,748.80, 5,698,101.44 and 958,849.28

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Solution

The fourth proportional to 3,798,748.80, 5,698,101.44 and 958,849.28 is: 1,438,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798,748.80 : 5,698,101.44 = 958,849.28 : x
  2. Step 2: Convert to fraction form
    3,798,748.80/5,698,101.44 = 958,849.28/x
  3. Step 3: Cross multiply
    3,798,748.80x = 5,698,101.44 × 958,849.28
  4. Step 4: Simplify right side
    3,798,748.80x = 5,463,620,463,110.96
  5. Step 5: Solve for x
    x = 5,463,620,463,110.96/3,798,748.80
  6. Step 6: Final answer
    x = 1,438,268.43

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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.