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Finding the Fourth Proportional to 331,009.92, 456,366.72 and 240,497.28

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Solution

The fourth proportional to 331,009.92, 456,366.72 and 240,497.28 is: 331,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,009.92 : 456,366.72 = 240,497.28 : x
  2. Step 2: Convert to fraction form
    331,009.92/456,366.72 = 240,497.28/x
  3. Step 3: Cross multiply
    331,009.92x = 456,366.72 × 240,497.28
  4. Step 4: Simplify right side
    331,009.92x = 109,754,954,842.52
  5. Step 5: Solve for x
    x = 109,754,954,842.52/331,009.92
  6. Step 6: Final answer
    x = 331,576.03

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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.