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Finding the Fourth Proportional to 608,383.44, 839,574.72 and 336,437.28

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Solution

The fourth proportional to 608,383.44, 839,574.72 and 336,437.28 is: 464,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,383.44 : 839,574.72 = 336,437.28 : x
  2. Step 2: Convert to fraction form
    608,383.44/839,574.72 = 336,437.28/x
  3. Step 3: Cross multiply
    608,383.44x = 839,574.72 × 336,437.28
  4. Step 4: Simplify right side
    608,383.44x = 282,464,235,153.56
  5. Step 5: Solve for x
    x = 282,464,235,153.56/608,383.44
  6. Step 6: Final answer
    x = 464,286.53

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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.