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Finding the Fourth Proportional to 283,509.56, 425,116.69 and 133,709.63

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Solution

The fourth proportional to 283,509.56, 425,116.69 and 133,709.63 is: 200,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,509.56 : 425,116.69 = 133,709.63 : x
  2. Step 2: Convert to fraction form
    283,509.56/425,116.69 = 133,709.63/x
  3. Step 3: Cross multiply
    283,509.56x = 425,116.69 × 133,709.63
  4. Step 4: Simplify right side
    283,509.56x = 56,842,195,523.32
  5. Step 5: Solve for x
    x = 56,842,195,523.32/283,509.56
  6. Step 6: Final answer
    x = 200,494.81

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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.