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Finding the Fourth Proportional to 1,356,208, 1,871,625.36 and 752,596

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Solution

The fourth proportional to 1,356,208, 1,871,625.36 and 752,596 is: 1,038,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,208 : 1,871,625.36 = 752,596 : x
  2. Step 2: Convert to fraction form
    1,356,208/1,871,625.36 = 752,596/x
  3. Step 3: Cross multiply
    1,356,208x = 1,871,625.36 × 752,596
  4. Step 4: Simplify right side
    1,356,208x = 1,408,577,759,434.56
  5. Step 5: Solve for x
    x = 1,408,577,759,434.56/1,356,208
  6. Step 6: Final answer
    x = 1,038,614.84

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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.