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Finding the Fourth Proportional to 269,495.52, 404,312.40 and 111,671.52

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Solution

The fourth proportional to 269,495.52, 404,312.40 and 111,671.52 is: 167,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,495.52 : 404,312.40 = 111,671.52 : x
  2. Step 2: Convert to fraction form
    269,495.52/404,312.40 = 111,671.52/x
  3. Step 3: Cross multiply
    269,495.52x = 404,312.40 × 111,671.52
  4. Step 4: Simplify right side
    269,495.52x = 45,150,180,262.85
  5. Step 5: Solve for x
    x = 45,150,180,262.85/269,495.52
  6. Step 6: Final answer
    x = 167,535.92

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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.