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Finding the Fourth Proportional to 263,460.96, 395,192.40 and 63,780.98

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Solution

The fourth proportional to 263,460.96, 395,192.40 and 63,780.98 is: 95,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,460.96 : 395,192.40 = 63,780.98 : x
  2. Step 2: Convert to fraction form
    263,460.96/395,192.40 = 63,780.98/x
  3. Step 3: Cross multiply
    263,460.96x = 395,192.40 × 63,780.98
  4. Step 4: Simplify right side
    263,460.96x = 25,205,758,560.55
  5. Step 5: Solve for x
    x = 25,205,758,560.55/263,460.96
  6. Step 6: Final answer
    x = 95,671.70

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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.