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Finding the Fourth Proportional to 306,558.65, 459,173.37 and 148,455.56

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Solution

The fourth proportional to 306,558.65, 459,173.37 and 148,455.56 is: 222,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,558.65 : 459,173.37 = 148,455.56 : x
  2. Step 2: Convert to fraction form
    306,558.65/459,173.37 = 148,455.56/x
  3. Step 3: Cross multiply
    306,558.65x = 459,173.37 × 148,455.56
  4. Step 4: Simplify right side
    306,558.65x = 68,166,841,485.08
  5. Step 5: Solve for x
    x = 68,166,841,485.08/306,558.65
  6. Step 6: Final answer
    x = 222,361.50

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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.