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Finding the Fourth Proportional to 547,424.64, 820,035.81 and 273,043.62

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Solution

The fourth proportional to 547,424.64, 820,035.81 and 273,043.62 is: 409,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,424.64 : 820,035.81 = 273,043.62 : x
  2. Step 2: Convert to fraction form
    547,424.64/820,035.81 = 273,043.62/x
  3. Step 3: Cross multiply
    547,424.64x = 820,035.81 × 273,043.62
  4. Step 4: Simplify right side
    547,424.64x = 223,905,546,092.03
  5. Step 5: Solve for x
    x = 223,905,546,092.03/547,424.64
  6. Step 6: Final answer
    x = 409,016.20

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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.