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Finding the Fourth Proportional to 354,507.52, 531,861.76 and 144,296.32

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Solution

The fourth proportional to 354,507.52, 531,861.76 and 144,296.32 is: 216,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,507.52 : 531,861.76 = 144,296.32 : x
  2. Step 2: Convert to fraction form
    354,507.52/531,861.76 = 144,296.32/x
  3. Step 3: Cross multiply
    354,507.52x = 531,861.76 × 144,296.32
  4. Step 4: Simplify right side
    354,507.52x = 76,745,694,716.72
  5. Step 5: Solve for x
    x = 76,745,694,716.72/354,507.52
  6. Step 6: Final answer
    x = 216,485.38

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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.