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Finding the Fourth Proportional to 613,546.56, 846,633.60 and 358,848

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Solution

The fourth proportional to 613,546.56, 846,633.60 and 358,848 is: 495,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,546.56 : 846,633.60 = 358,848 : x
  2. Step 2: Convert to fraction form
    613,546.56/846,633.60 = 358,848/x
  3. Step 3: Cross multiply
    613,546.56x = 846,633.60 × 358,848
  4. Step 4: Simplify right side
    613,546.56x = 303,812,774,092.80
  5. Step 5: Solve for x
    x = 303,812,774,092.80/613,546.56
  6. Step 6: Final answer
    x = 495,174.77

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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.