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Finding the Fourth Proportional to 1,356,147, 1,871,570.34 and 752,535

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Solution

The fourth proportional to 1,356,147, 1,871,570.34 and 752,535 is: 1,038,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,147 : 1,871,570.34 = 752,535 : x
  2. Step 2: Convert to fraction form
    1,356,147/1,871,570.34 = 752,535/x
  3. Step 3: Cross multiply
    1,356,147x = 1,871,570.34 × 752,535
  4. Step 4: Simplify right side
    1,356,147x = 1,408,422,185,811.90
  5. Step 5: Solve for x
    x = 1,408,422,185,811.90/1,356,147
  6. Step 6: Final answer
    x = 1,038,546.84

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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.