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Finding the Fourth Proportional to 480,989.62, 663,741.48 and 263,193.58

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Solution

The fourth proportional to 480,989.62, 663,741.48 and 263,193.58 is: 363,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,989.62 : 663,741.48 = 263,193.58 : x
  2. Step 2: Convert to fraction form
    480,989.62/663,741.48 = 263,193.58/x
  3. Step 3: Cross multiply
    480,989.62x = 663,741.48 × 263,193.58
  4. Step 4: Simplify right side
    480,989.62x = 174,692,496,315.70
  5. Step 5: Solve for x
    x = 174,692,496,315.70/480,989.62
  6. Step 6: Final answer
    x = 363,193.90

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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.