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Finding the Fourth Proportional to 219,026.80, 328,463.40 and 113,810.80

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Solution

The fourth proportional to 219,026.80, 328,463.40 and 113,810.80 is: 170,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.80 : 328,463.40 = 113,810.80 : x
  2. Step 2: Convert to fraction form
    219,026.80/328,463.40 = 113,810.80/x
  3. Step 3: Cross multiply
    219,026.80x = 328,463.40 × 113,810.80
  4. Step 4: Simplify right side
    219,026.80x = 37,382,682,324.72
  5. Step 5: Solve for x
    x = 37,382,682,324.72/219,026.80
  6. Step 6: Final answer
    x = 170,676.29

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1.5x scale

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.