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Finding the Fourth Proportional to 263,483.89, 363,607.85 and 142,624.80

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Solution

The fourth proportional to 263,483.89, 363,607.85 and 142,624.80 is: 196,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,483.89 : 363,607.85 = 142,624.80 : x
  2. Step 2: Convert to fraction form
    263,483.89/363,607.85 = 142,624.80/x
  3. Step 3: Cross multiply
    263,483.89x = 363,607.85 × 142,624.80
  4. Step 4: Simplify right side
    263,483.89x = 51,859,497,241.24
  5. Step 5: Solve for x
    x = 51,859,497,241.24/263,483.89
  6. Step 6: Final answer
    x = 196,822.27

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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.