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Finding the Fourth Proportional to 297,730.54, 446,619.21 and 84,495.07

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Solution

The fourth proportional to 297,730.54, 446,619.21 and 84,495.07 is: 126,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,730.54 : 446,619.21 = 84,495.07 : x
  2. Step 2: Convert to fraction form
    297,730.54/446,619.21 = 84,495.07/x
  3. Step 3: Cross multiply
    297,730.54x = 446,619.21 × 84,495.07
  4. Step 4: Simplify right side
    297,730.54x = 37,737,121,412.29
  5. Step 5: Solve for x
    x = 37,737,121,412.29/297,730.54
  6. Step 6: Final answer
    x = 126,749.25

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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.