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Finding the Fourth Proportional to 305,887.50, 458,359.67 and 163,751.64

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Solution

The fourth proportional to 305,887.50, 458,359.67 and 163,751.64 is: 245,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,887.50 : 458,359.67 = 163,751.64 : x
  2. Step 2: Convert to fraction form
    305,887.50/458,359.67 = 163,751.64/x
  3. Step 3: Cross multiply
    305,887.50x = 458,359.67 × 163,751.64
  4. Step 4: Simplify right side
    305,887.50x = 75,057,147,672.36
  5. Step 5: Solve for x
    x = 75,057,147,672.36/305,887.50
  6. Step 6: Final answer
    x = 245,375.01

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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.