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Finding the Fourth Proportional to 506,682.32, 760,022.72 and 203,213.36

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Solution

The fourth proportional to 506,682.32, 760,022.72 and 203,213.36 is: 304,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,682.32 : 760,022.72 = 203,213.36 : x
  2. Step 2: Convert to fraction form
    506,682.32/760,022.72 = 203,213.36/x
  3. Step 3: Cross multiply
    506,682.32x = 760,022.72 × 203,213.36
  4. Step 4: Simplify right side
    506,682.32x = 154,446,770,607.54
  5. Step 5: Solve for x
    x = 154,446,770,607.54/506,682.32
  6. Step 6: Final answer
    x = 304,819.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.