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Finding the Fourth Proportional to 546,783.80, 820,175.70 and 412,064.60

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Solution

The fourth proportional to 546,783.80, 820,175.70 and 412,064.60 is: 618,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,783.80 : 820,175.70 = 412,064.60 : x
  2. Step 2: Convert to fraction form
    546,783.80/820,175.70 = 412,064.60/x
  3. Step 3: Cross multiply
    546,783.80x = 820,175.70 × 412,064.60
  4. Step 4: Simplify right side
    546,783.80x = 337,965,371,750.22
  5. Step 5: Solve for x
    x = 337,965,371,750.22/546,783.80
  6. Step 6: Final answer
    x = 618,096.90

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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.