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Finding the Fourth Proportional to 296,796.80, 445,253.60 and 109,809.92

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Solution

The fourth proportional to 296,796.80, 445,253.60 and 109,809.92 is: 164,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,796.80 : 445,253.60 = 109,809.92 : x
  2. Step 2: Convert to fraction form
    296,796.80/445,253.60 = 109,809.92/x
  3. Step 3: Cross multiply
    296,796.80x = 445,253.60 × 109,809.92
  4. Step 4: Simplify right side
    296,796.80x = 48,893,262,195.71
  5. Step 5: Solve for x
    x = 48,893,262,195.71/296,796.80
  6. Step 6: Final answer
    x = 164,736.49

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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.