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Finding the Fourth Proportional to 326,118.33, 450,047.97 and 197,038.89

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Solution

The fourth proportional to 326,118.33, 450,047.97 and 197,038.89 is: 271,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,118.33 : 450,047.97 = 197,038.89 : x
  2. Step 2: Convert to fraction form
    326,118.33/450,047.97 = 197,038.89/x
  3. Step 3: Cross multiply
    326,118.33x = 450,047.97 × 197,038.89
  4. Step 4: Simplify right side
    326,118.33x = 88,676,952,455.55
  5. Step 5: Solve for x
    x = 88,676,952,455.55/326,118.33
  6. Step 6: Final answer
    x = 271,916.49

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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.