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Finding the Fourth Proportional to 624,797.40, 862,201.98 and 352,876.44

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Solution

The fourth proportional to 624,797.40, 862,201.98 and 352,876.44 is: 486,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,797.40 : 862,201.98 = 352,876.44 : x
  2. Step 2: Convert to fraction form
    624,797.40/862,201.98 = 352,876.44/x
  3. Step 3: Cross multiply
    624,797.40x = 862,201.98 × 352,876.44
  4. Step 4: Simplify right side
    624,797.40x = 304,250,765,263.35
  5. Step 5: Solve for x
    x = 304,250,765,263.35/624,797.40
  6. Step 6: Final answer
    x = 486,959.08

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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.