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Finding the Fourth Proportional to 509,529.83, 764,296.56 and 154,546.92

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Solution

The fourth proportional to 509,529.83, 764,296.56 and 154,546.92 is: 231,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,529.83 : 764,296.56 = 154,546.92 : x
  2. Step 2: Convert to fraction form
    509,529.83/764,296.56 = 154,546.92/x
  3. Step 3: Cross multiply
    509,529.83x = 764,296.56 × 154,546.92
  4. Step 4: Simplify right side
    509,529.83x = 118,119,679,314.60
  5. Step 5: Solve for x
    x = 118,119,679,314.60/509,529.83
  6. Step 6: Final answer
    x = 231,820.93

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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.