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Finding the Fourth Proportional to 1,353,759, 1,868,187.42 and 750,147

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Solution

The fourth proportional to 1,353,759, 1,868,187.42 and 750,147 is: 1,035,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,759 : 1,868,187.42 = 750,147 : x
  2. Step 2: Convert to fraction form
    1,353,759/1,868,187.42 = 750,147/x
  3. Step 3: Cross multiply
    1,353,759x = 1,868,187.42 × 750,147
  4. Step 4: Simplify right side
    1,353,759x = 1,401,415,188,550.74
  5. Step 5: Solve for x
    x = 1,401,415,188,550.74/1,353,759
  6. Step 6: Final answer
    x = 1,035,202.86

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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.