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Finding the Fourth Proportional to 608,190.76, 839,297.76 and 336,265.56

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Solution

The fourth proportional to 608,190.76, 839,297.76 and 336,265.56 is: 464,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,190.76 : 839,297.76 = 336,265.56 : x
  2. Step 2: Convert to fraction form
    608,190.76/839,297.76 = 336,265.56/x
  3. Step 3: Cross multiply
    608,190.76x = 839,297.76 × 336,265.56
  4. Step 4: Simplify right side
    608,190.76x = 282,226,931,273.15
  5. Step 5: Solve for x
    x = 282,226,931,273.15/608,190.76
  6. Step 6: Final answer
    x = 464,043.44

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Double scale
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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.