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Finding the Fourth Proportional to 546,783.70, 820,175.55 and 494,295.70

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Solution

The fourth proportional to 546,783.70, 820,175.55 and 494,295.70 is: 741,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,783.70 : 820,175.55 = 494,295.70 : x
  2. Step 2: Convert to fraction form
    546,783.70/820,175.55 = 494,295.70/x
  3. Step 3: Cross multiply
    546,783.70x = 820,175.55 × 494,295.70
  4. Step 4: Simplify right side
    546,783.70x = 405,409,247,610.14
  5. Step 5: Solve for x
    x = 405,409,247,610.14/546,783.70
  6. Step 6: Final answer
    x = 741,443.55

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Similar ratio
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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.