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Finding the Fourth Proportional to 293,953.56, 440,883.10 and 80,671.64

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Solution

The fourth proportional to 293,953.56, 440,883.10 and 80,671.64 is: 120,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,953.56 : 440,883.10 = 80,671.64 : x
  2. Step 2: Convert to fraction form
    293,953.56/440,883.10 = 80,671.64/x
  3. Step 3: Cross multiply
    293,953.56x = 440,883.10 × 80,671.64
  4. Step 4: Simplify right side
    293,953.56x = 35,566,762,725.28
  5. Step 5: Solve for x
    x = 35,566,762,725.28/293,953.56
  6. Step 6: Final answer
    x = 120,994.50

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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.