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Finding the Fourth Proportional to 610,797.89, 842,901.80 and 356,198.28

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Solution

The fourth proportional to 610,797.89, 842,901.80 and 356,198.28 is: 491,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,797.89 : 842,901.80 = 356,198.28 : x
  2. Step 2: Convert to fraction form
    610,797.89/842,901.80 = 356,198.28/x
  3. Step 3: Cross multiply
    610,797.89x = 842,901.80 × 356,198.28
  4. Step 4: Simplify right side
    610,797.89x = 300,240,171,368.90
  5. Step 5: Solve for x
    x = 300,240,171,368.90/610,797.89
  6. Step 6: Final answer
    x = 491,554.04

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1.5x scale

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.