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Finding the Fourth Proportional to 265,166.28, 365,578.38 and 219,676.68

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Solution

The fourth proportional to 265,166.28, 365,578.38 and 219,676.68 is: 302,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,166.28 : 365,578.38 = 219,676.68 : x
  2. Step 2: Convert to fraction form
    265,166.28/365,578.38 = 219,676.68/x
  3. Step 3: Cross multiply
    265,166.28x = 365,578.38 × 219,676.68
  4. Step 4: Simplify right side
    265,166.28x = 80,309,044,798.18
  5. Step 5: Solve for x
    x = 80,309,044,798.18/265,166.28
  6. Step 6: Final answer
    x = 302,862.96

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1.5x scale

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.