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Finding the Fourth Proportional to 463,624.80, 695,437.20 and 131,200.80

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Solution

The fourth proportional to 463,624.80, 695,437.20 and 131,200.80 is: 196,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,624.80 : 695,437.20 = 131,200.80 : x
  2. Step 2: Convert to fraction form
    463,624.80/695,437.20 = 131,200.80/x
  3. Step 3: Cross multiply
    463,624.80x = 695,437.20 × 131,200.80
  4. Step 4: Simplify right side
    463,624.80x = 91,241,916,989.76
  5. Step 5: Solve for x
    x = 91,241,916,989.76/463,624.80
  6. Step 6: Final answer
    x = 196,801.20

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Similar ratio
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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.