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Finding the Fourth Proportional to 313,244.48, 432,485.52 and 185,960.96

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Solution

The fourth proportional to 313,244.48, 432,485.52 and 185,960.96 is: 256,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,244.48 : 432,485.52 = 185,960.96 : x
  2. Step 2: Convert to fraction form
    313,244.48/432,485.52 = 185,960.96/x
  3. Step 3: Cross multiply
    313,244.48x = 432,485.52 × 185,960.96
  4. Step 4: Simplify right side
    313,244.48x = 80,425,422,485.30
  5. Step 5: Solve for x
    x = 80,425,422,485.30/313,244.48
  6. Step 6: Final answer
    x = 256,749.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.