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Finding the Fourth Proportional to 297,373.71, 446,056.65 and 72,736.05

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Solution

The fourth proportional to 297,373.71, 446,056.65 and 72,736.05 is: 109,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,373.71 : 446,056.65 = 72,736.05 : x
  2. Step 2: Convert to fraction form
    297,373.71/446,056.65 = 72,736.05/x
  3. Step 3: Cross multiply
    297,373.71x = 446,056.65 × 72,736.05
  4. Step 4: Simplify right side
    297,373.71x = 32,444,398,797.23
  5. Step 5: Solve for x
    x = 32,444,398,797.23/297,373.71
  6. Step 6: Final answer
    x = 109,103.12

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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.