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Finding the Fourth Proportional to 546,779.70, 820,169.55 and 481,825.80

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Solution

The fourth proportional to 546,779.70, 820,169.55 and 481,825.80 is: 722,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,779.70 : 820,169.55 = 481,825.80 : x
  2. Step 2: Convert to fraction form
    546,779.70/820,169.55 = 481,825.80/x
  3. Step 3: Cross multiply
    546,779.70x = 820,169.55 × 481,825.80
  4. Step 4: Simplify right side
    546,779.70x = 395,178,849,564.39
  5. Step 5: Solve for x
    x = 395,178,849,564.39/546,779.70
  6. Step 6: Final answer
    x = 722,738.70

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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.