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Finding the Fourth Proportional to 326,435.72, 450,489.48 and 183,207.20

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Solution

The fourth proportional to 326,435.72, 450,489.48 and 183,207.20 is: 252,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,435.72 : 450,489.48 = 183,207.20 : x
  2. Step 2: Convert to fraction form
    326,435.72/450,489.48 = 183,207.20/x
  3. Step 3: Cross multiply
    326,435.72x = 450,489.48 × 183,207.20
  4. Step 4: Simplify right side
    326,435.72x = 82,532,916,260.26
  5. Step 5: Solve for x
    x = 82,532,916,260.26/326,435.72
  6. Step 6: Final answer
    x = 252,830.53

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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.