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Finding the Fourth Proportional to 363,107.50, 543,609.45 and 273,527.48

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Solution

The fourth proportional to 363,107.50, 543,609.45 and 273,527.48 is: 409,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,107.50 : 543,609.45 = 273,527.48 : x
  2. Step 2: Convert to fraction form
    363,107.50/543,609.45 = 273,527.48/x
  3. Step 3: Cross multiply
    363,107.50x = 543,609.45 × 273,527.48
  4. Step 4: Simplify right side
    363,107.50x = 148,692,122,962.69
  5. Step 5: Solve for x
    x = 148,692,122,962.69/363,107.50
  6. Step 6: Final answer
    x = 409,498.90

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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.