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Finding the Fourth Proportional to 1,053,563, 1,453,453.62 and 617,757.90

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Solution

The fourth proportional to 1,053,563, 1,453,453.62 and 617,757.90 is: 852,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,563 : 1,453,453.62 = 617,757.90 : x
  2. Step 2: Convert to fraction form
    1,053,563/1,453,453.62 = 617,757.90/x
  3. Step 3: Cross multiply
    1,053,563x = 1,453,453.62 × 617,757.90
  4. Step 4: Simplify right side
    1,053,563x = 897,882,456,038.60
  5. Step 5: Solve for x
    x = 897,882,456,038.60/1,053,563
  6. Step 6: Final answer
    x = 852,234.23

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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.