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Finding the Fourth Proportional to 608,250.60, 839,370.87 and 336,311.28

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Solution

The fourth proportional to 608,250.60, 839,370.87 and 336,311.28 is: 464,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,250.60 : 839,370.87 = 336,311.28 : x
  2. Step 2: Convert to fraction form
    608,250.60/839,370.87 = 336,311.28/x
  3. Step 3: Cross multiply
    608,250.60x = 839,370.87 × 336,311.28
  4. Step 4: Simplify right side
    608,250.60x = 282,289,891,684.41
  5. Step 5: Solve for x
    x = 282,289,891,684.41/608,250.60
  6. Step 6: Final answer
    x = 464,101.30

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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.