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Finding the Fourth Proportional to 613,236.25, 846,278.99 and 344,964.25

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Solution

The fourth proportional to 613,236.25, 846,278.99 and 344,964.25 is: 476,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,236.25 : 846,278.99 = 344,964.25 : x
  2. Step 2: Convert to fraction form
    613,236.25/846,278.99 = 344,964.25/x
  3. Step 3: Cross multiply
    613,236.25x = 846,278.99 × 344,964.25
  4. Step 4: Simplify right side
    613,236.25x = 291,935,997,076.11
  5. Step 5: Solve for x
    x = 291,935,997,076.11/613,236.25
  6. Step 6: Final answer
    x = 476,057.96

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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.