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Finding the Fourth Proportional to 546,727.60, 820,091.40 and 251,815.60

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Solution

The fourth proportional to 546,727.60, 820,091.40 and 251,815.60 is: 377,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,727.60 : 820,091.40 = 251,815.60 : x
  2. Step 2: Convert to fraction form
    546,727.60/820,091.40 = 251,815.60/x
  3. Step 3: Cross multiply
    546,727.60x = 820,091.40 × 251,815.60
  4. Step 4: Simplify right side
    546,727.60x = 206,511,807,945.84
  5. Step 5: Solve for x
    x = 206,511,807,945.84/546,727.60
  6. Step 6: Final answer
    x = 377,723.40

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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.