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Finding the Fourth Proportional to 504,930.24, 696,496.32 and 300,846.96

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Solution

The fourth proportional to 504,930.24, 696,496.32 and 300,846.96 is: 414,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,930.24 : 696,496.32 = 300,846.96 : x
  2. Step 2: Convert to fraction form
    504,930.24/696,496.32 = 300,846.96/x
  3. Step 3: Cross multiply
    504,930.24x = 696,496.32 × 300,846.96
  4. Step 4: Simplify right side
    504,930.24x = 209,538,800,523.19
  5. Step 5: Solve for x
    x = 209,538,800,523.19/504,930.24
  6. Step 6: Final answer
    x = 414,985.64

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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.