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Finding the Fourth Proportional to 1,190,052, 1,785,078 and 303,588

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Solution

The fourth proportional to 1,190,052, 1,785,078 and 303,588 is: 455,382

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,052 : 1,785,078 = 303,588 : x
  2. Step 2: Convert to fraction form
    1,190,052/1,785,078 = 303,588/x
  3. Step 3: Cross multiply
    1,190,052x = 1,785,078 × 303,588
  4. Step 4: Simplify right side
    1,190,052x = 541,928,259,864
  5. Step 5: Solve for x
    x = 541,928,259,864/1,190,052
  6. Step 6: Final answer
    x = 455,382

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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.