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Finding the Fourth Proportional to 263,193.52, 362,877.90 and 219,648.76

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Solution

The fourth proportional to 263,193.52, 362,877.90 and 219,648.76 is: 302,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,193.52 : 362,877.90 = 219,648.76 : x
  2. Step 2: Convert to fraction form
    263,193.52/362,877.90 = 219,648.76/x
  3. Step 3: Cross multiply
    263,193.52x = 362,877.90 × 219,648.76
  4. Step 4: Simplify right side
    263,193.52x = 79,705,680,766.40
  5. Step 5: Solve for x
    x = 79,705,680,766.40/263,193.52
  6. Step 6: Final answer
    x = 302,840.59

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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.