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Finding the Fourth Proportional to 365,551.40, 547,251.90 and 272,469.80

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Solution

The fourth proportional to 365,551.40, 547,251.90 and 272,469.80 is: 407,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,551.40 : 547,251.90 = 272,469.80 : x
  2. Step 2: Convert to fraction form
    365,551.40/547,251.90 = 272,469.80/x
  3. Step 3: Cross multiply
    365,551.40x = 547,251.90 × 272,469.80
  4. Step 4: Simplify right side
    365,551.40x = 149,109,615,742.62
  5. Step 5: Solve for x
    x = 149,109,615,742.62/365,551.40
  6. Step 6: Final answer
    x = 407,903.28

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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.