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Finding the Fourth Proportional to 504,561.46, 696,463.55 and 300,676.32

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Solution

The fourth proportional to 504,561.46, 696,463.55 and 300,676.32 is: 415,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,561.46 : 696,463.55 = 300,676.32 : x
  2. Step 2: Convert to fraction form
    504,561.46/696,463.55 = 300,676.32/x
  3. Step 3: Cross multiply
    504,561.46x = 696,463.55 × 300,676.32
  4. Step 4: Simplify right side
    504,561.46x = 209,410,093,113.02
  5. Step 5: Solve for x
    x = 209,410,093,113.02/504,561.46
  6. Step 6: Final answer
    x = 415,033.86

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Similar ratio
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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.