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Finding the Fourth Proportional to 504,561.84, 696,464.06 and 300,676.70

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Solution

The fourth proportional to 504,561.84, 696,464.06 and 300,676.70 is: 415,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,561.84 : 696,464.06 = 300,676.70 : x
  2. Step 2: Convert to fraction form
    504,561.84/696,464.06 = 300,676.70/x
  3. Step 3: Cross multiply
    504,561.84x = 696,464.06 × 300,676.70
  4. Step 4: Simplify right side
    504,561.84x = 209,410,512,498.77
  5. Step 5: Solve for x
    x = 209,410,512,498.77/504,561.84
  6. Step 6: Final answer
    x = 415,034.38

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Double scale
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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.